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  • 2014-2015

    . . . .- . . . . . . .

  • Tel: 015 581 133

  • 015 58 11 33 1

    1.

    2. ?

    3.

    4.

    5.

    6.

  • 015 58 11 33 2

    7.

    8.

    9.

    10.

  • 015 58 11 33 3

    .

    I. 2 3Z i

    II. Z a bi

    2 3Z i 2 3Z i

    III. Z a bi

    2 3Z i 2 3Z i

    IV. Z a bi

    3 4Z i 2 2 2 23 4 25 5r Z a b

    V. Z a bi W c di

    Z W a ca bi c dib d

    .

    Z a ib

    Z a ib

    Z a ib

    2 2r Z a b

  • 015 58 11 33 4

    sin( 2 ) sin ; cos( 2 ) cosk k

    tan( 2 ) tan ; cot( 2 ) cot ;k k k

    tan( ) tan ; cot( ) cotk k

    I. cos

    cos sin

    sin

    a

    rZ r i

    b

    r

    Edl

    4 4Z i

    22 2 24 4 4 2r Z a b

    4 2cos24 2

    a

    r

    4 2sin

    24 2

    b

    r

    2cos 02

    2sin 02

    II3

    4

    cos sinZ r i

    3 34 2 cos sin4 4

    Z i

    Z a ib

  • 015 58 11 33 5

    II.

    1 1 1 1cos sinZ r i 2 2 2 2cos sinZ r i

    1 2 1 2 1 2 1 2cos sinZ Z r r i

    1 2Z Z 1Z 2Z 1 1Z i 2 1 3Z i

    1 1Z i 2 2 2 21 1 1 1 1 1 2r Z a b

    1

    1

    1

    1

    11

    1

    1cos

    2

    1 4sin

    2

    a

    r

    b

    r

    2 1 3Z i 222 2

    2 2 2 2 1 3 2r Z a b

    22

    2

    1cos

    2

    a

    r

    22

    2

    3sin

    2

    b

    r

    2 1cos 02

    2

    3sin 0

    2 2 II 2

    2

    3

    1 2 1 2 1 2 1 2cos sin

    2 22 2 cos sin

    4 3 4 3

    11 112 2 cos sin

    12 12

    Z Z r r i

    i

    i

    1 2 11 112 2 cos sin12 12

    Z Z i

    III.

    1 1 1 1cos sinZ r i 2 2 2 2cos sinZ r i

  • 015 58 11 33 6

    1 1 1 2 1 22 2

    cos sinZ r

    iZ r

    2 0Z

    12

    Z

    Z 1 1 3Z i 2 1Z i

    1 1 3Z i

    222 2

    1 1 1 1 1 3 2r Z a b

    11

    1

    1cos

    2

    a

    r

    11

    1

    3sin

    2

    b

    r

    1 1cos 02

    1

    3sin 0

    2 1 II 1

    2

    3

    2 1Z i 2 2 2 22 2 2 2 1 1 2r Z a b

    2

    2

    2

    2

    22

    2

    1cos

    2

    1 4sin

    2

    a

    r

    b

    r

    1 1 1 2 1 2

    2 2

    cos sin

    2 2 2 5 5cos sin 2 cos sin

    3 4 3 4 12 122

    Z ri

    Z r

    i i

    12

    5 52 cos sin

    12 12

    Zi

    Z

    IV. n

    cos sinZ r i

    cos sin cos sinnn nZ r i r n i n

    n

    cos sin cos sinni n i n (Demoivre)

  • 015 58 11 33 7

    13Z 3Z i

    2

    2 2 23 1 2r Z a b

    3 3cos 02 2

    a

    r

    1sin 0

    2

    b

    r II

    5

    6

    5 53 2 cos sin6 6

    Z i i

    5 5 5 58192 cos 10 sin 10 8192 cos sin6 6 6 6

    i i

    13 4096 3 4096Z i

    V.n

    cos sinZ r i n Znn

    2 2cos sin , 0 , 1nk k kW r i k nn n

    Edl

    5 1Z i

    22 2 21 1 2r Z a b

    1 2cos 022

    a

    r 1 2sin 0

    22

    b

    r

    II 34

    3 32 cos sin4 4

    Z i

    13

    13 135 5 13 5 13 52 cos sin 2 cos sin6 6 6 6

    Z i i

  • 015 58 11 33 8

    53 3

    2 24 42 cos sin 0 , 4

    5 5k

    k k

    W i k

    Edl

    100

    3 30 2 cos sin

    20 20k W i

    10 101

    3 32 2

    11 114 41 2 cos sin 2 cos sin5 5 20 20

    k W i i

    10 102

    3 34 4

    19 194 42 2 cos sin 2 cos sin20 20 20 20

    k W i i

    10 103

    3 36 6

    27 274 43 2 cos sin 2 cos sin5 5 20 20

    k W i i

    10 104

    3 38 8

    35 354 44 2 cos sin 2 cos sin5 5 20 20

    k W i i

    1. 1 2 1 2 1 2, ,z z z z z z 12

    z

    z

    ) 1 22 5 , 1 7z i z i ) 1 22 3 , 2 3z i z i

    ) 1 23 2 , 1 7z i z i ) 1 23 5 , 3 5z i z i

    2.

    ) 2

    1 213 12

    8 6 2

    iiz

    i i

    ) 3 2 2 31

    i iz

    i

  • 015 58 11 33 9

    ) 1 12 1 2 1

    i iz

    ) 41 63 1 6

    50 1 7

    i iz

    i

    )

    2 3

    3 2

    1 2 1

    3 2 2

    i iz

    i i

    )

    2

    1 3

    2

    iz

    i

    3. ) 1 21 , 1 3z i z i ) 1 2z z ) 1

    2

    z

    z ) 21z

    ) 2 2z i ) 3 3z i ) 2 2 3z i ) 1z i

    ) 3z i ) 4z i )

    13

    7

    1

    1

    iz

    i

    4. ) 15z ) 20z i ) 4 3 4z i ) 5 5 3z i ) 2 3 2z i ) 4 4z i ) 1z i ) 3z i ) 3z i ) 7z 5. 1 2z z 1

    2

    z

    z

    ) 1 21 , 1z i z i ) 1 23 , 3z i z i ) 1 22 2 3 , 5z i z i ) 1 25 5 , 3z i z i 6. ) 121 i ) 101 i ) 53 3i )

    3

    1 3i ) 5

    4 3 4i ) 102 2i )

    7

    3 i ) 50

    3 i ) 25

    2 2i ) 15

    2 2i

    7.

    ) 3 2 2i ) 4 4i ) 4 1 3i ) 4 2 2 3i ) 5 1 i

    ) 6 1 ) 8 i ) 4 8 8 3i ) 45 2 2i ) 4 4 3 4i

  • 015 58 11 33 10

    . lim ( ) 0; 0 : ( )

    x af x L x a f x L

    2

    lim 2 1 3x

    x

    0

    2

    2

    1lim

    2x x

    0M

    2

    2

    1lim

    2x x

    2

    3 1lim

    2x

    x

    x

    2 0x

    ( )f x L

    (2 1) 3 2 4 2 2 22

    x x x x

    02

    2x

    2

    lim 2 1 3x

    x

    lim ( ) 0 ; 0 : ( )x a

    f x M x a f x M

    ( )f x M

    2

    2 21 1 12 2

    2M x x

    x M M

    12x

    M

    10

    M 0 2x

    lim ( ) 0 ; 0 : ( )x a

    f x M x a f x M

    2x 2 0x

    0M 3 1 3 6 5

    ( )2 2

    x xf x M M M

    x x

  • 015 58 11 33 11

    2

    3 1lim

    2x

    x

    x

    3 5lim 32x

    x

    x

    3 5lim 32x

    x

    x

    4 1lim 22 1x

    x

    x

    1 1 12 12 2

    x x

    4 1lim 22 1x

    x

    x

    5 5 53 3 3

    2 2 2M M M

    x x x

    2 1 52

    5 3 3

    xx

    M M

    50

    3M

    2 x

    lim ( ) 0; 0 : ( )x

    f x L N x N f x L

    0 3 5 3 5 3 6

    ( ) 32 2

    x x xf x L

    x x

    1 1 12

    2 2x

    x x

    x

    1 12 2x x

    12 0N

    x N

    lim ( ) 0; 0 : ( )x

    f x L N x N f x L

    0 4 1

    ( ) 22 1

    xf x L

    x

    4 1 4 2 1 1 12 1

    2 1 2 1 2 1

    x xx

    x x x

    x1 1

    02 2

    N

    x N

  • 015 58 11 33 12

    25 4 1

    lim2x

    x x

    x

    0M

    11 02x

    25 4 1

    lim2x

    x x

    x

    22

    lim3 5x

    x x

    x

    0M

    22

    lim3 5x

    x x

    x

    3limx

    x

    3( )f x M x M 3x M

    lim ( ) 0; 0 : ( )x

    f x M N x N f x M

    25 4 1( )

    2

    x xf x M M

    x

    2 5 2 6 2 115 10 6 12 112 2

    x x xx x xM M

    x x

    115 6

    2x M

    x

    x

    65 6 5 6

    5

    Mx M x M x

    60

    5

    MN

    x N

    lim ( ) 0; 0 : ( )x

    f x M N x N f x M

    22( )

    3 5

    x xf x M M

    x

    11 55

    3 9 9 3 5

    xM

    x

    x

    55

    09 3 5x

    11 11 113

    3 9 3 9 3

    x xM M x M

    113 0

    3N M x N

    lim ( ) 0; 0 : ( )x

    f x M N x N f x M

    0M

  • 015 58 11 33 13

    3x M 3 0N M x N

    3limx

    x

    lim ( ) 0; 0 : ( )x

    f x M N x N f x M

    lim 1x

    x

    0M 2( ) 1 1f x M x M x M

    2 21 1x M x M 2 1 0N M x N

    lim 1x

    x

    lim ( ) 0 ; 0 : ( )

    lim ( ) 0 ; 0 : ( )

    lim ( ) ; 0 : ( )

    lim ( ) 0 ; 0 : ( )

    x a

    x a

    x

    x

    f x L x a f x L

    f x M x a f x M

    f x L N x N f x L

    f x M N x N f x M

    L f , ( )x a x a

    0 ; 0 0 ( )a x f x L lim ( )x a

    f x L

    2

    lim 2x

    x

    0 ( ) 2f x L x

    2 2

    2 2 2 2 2x x x

    2 2 2 22 2 2 2 2 2 2 2 2 2 2x x

    22 2 2x 22 2 0 0 2 x

  • 015 58 11 33 14

    2

    lim 2x

    x

    L f , ( )x a x a

    0 ; 0 0 ( )x a f x L lim ( )x a

    f x L

    4

    lim 2x

    x

    0 ( ) 2 2f x L x x

    2 22 2 2 2x x

    2 2 2 24 4 4 4 4 4 4x x 24 4x

    2 4 0 0 4x

    4

    lim 2x

    x

    lim ( )x a

    f x L

    lim ( ) lim ( )x a x a

    f x f x L

    2 4

    ( )2

    xf x

    x

    4

    2

    2 2 2 2

    2 24lim ( ) lim lim lim 2 4

    2 2x x x x

    x xxf x x

    x x

    2

    2 2 2 2

    2 24lim ( ) lim lim lim 2 4

    2 2x x x x

    x xxf x x

    x x

    22 2

    lim ( ) lim ( ) lim ( ) 4xx x

    f x f x f x

    lim[ ( ) ( )] lim ( ) lim ( )

    lim ( ) lim ( ) ( )

    lim[ ( ) ( )] [lim ( )] [lim ( )]

    x a x a x a

    x a x a

    x a x a x a

    f x g x f x g x

    kf x k f x k

    f x g x f x g x

    CacnM Ynefr

    lim ( )( )

    lim( ) lim ( )

    x a

    x a

    x a

    f xf x

    g x g x

  • 015 58 11 33 15

    lim ( )

    ( )

    lim[ ( )] [lim ( )] ( )

    lim ( ) lim ( )

    lim lim

    lim[ln ( )] ln[lim ( )]

    x a

    n n

    x a x a

    n nx a x a

    f xf x

    x a x a

    x a x a

    f x f x n

    f x f x

    k k k k

    f x f x

    nig

    Edl CacMnYnKtr; uWLaTbI viCm an

    ( ) ( ) ( ) ] , [ lim ( ) lim ( )

    ] , [ lim ( )

    ( ) ( ) ] , [ ] , [ lim ( ) lim ( )

    ( ) , lim ( )

    x a x a

    x a

    x a x a

    x a

    f x g x h x x f x h x L

    a g x L

    f x g x x a f x g x

    f x D a D f x f

    I

    I

    eb ceM BaH ehyI

    Edl

    ebI ceM BaH eb

    ebI

    enaHeK)an

    enaHeK)an

    manEdnkMNt; enaHeK)an ( )

    ( ) ( ) lim ( ) lim ( )x x

    a

    f x g x x A g x f x

    Ieb cMeBaH Edl enaHeK)an

    ( ) ( ) lim ( ) lim ( )

    ( ) ( ) ( ) lim ( ) lim ( ) lim ( )

    x x

    x x x

    f x g x x A g x f x

    f x g x h x x A f x h x L g x L

    ebI ceM BaH Edl

    ebI ceM BaH Edl

    enaHeK)an

    enaHeK)an

    ( ) ( ) lim ( ) lim ( )

    ( ) ( ) lim ( ) lim ( ) ( )

    lim [ ( )] ( )

    x x

    x a x L

    x a

    f x g x x A f x L g x L

    f x g x g x L f x f L

    f g x f L

    ebI cMeBaH Edl

    ebI ngi

    ngi enaHeK)an

    nig CaGnKu mnE dlmanlmI tIenaHeK)an

    lim ( ) lim ( )

    1 1 1lim 0 lim 0

    ( ) ( )

    1 1lim 0 lim 0

    ( ) ( )

    ( ) ( )lim 0 0 lim 0 0

    ( ) ( )

    x a x a

    x a x a

    x a x a

    x a x a

    f x L g x M

    L Lf x L f x

    L Lf x f x

    f x f xL m L m

    g x g x

    ebI nig

    kalNa kalNa

    kalNa kalNa

    kalNa ehIy kalNa ehyI

    .

    . 0 0

    sinlim lim 1

    sinx x

    ax ax

    ax ax

    0

    sin 3limx

    x

    x

  • 015 58 11 33 16

    0 0 0

    sin3 sin3 sin3lim lim 3 3lim 3 1 3

    3 3x x x

    x x x

    x x x

    . 0 0

    1 coslim lim 0

    1 cosx x

    ax ax

    ax ax

    0

    1 cos 2limx

    x

    x

    0 0 0

    1 cos 2 1 cos 2 1 cos 2lim lim 2 2lim 2 0 0

    2 2x x x

    x x x

    x x x

    . 0 0

    tanlim lim 1

    tanx x

    ax ax

    ax ax

    0

    tan 5limx

    x

    x

    0 0 0

    tan5 tan5 tan5lim lim 5 5lim 5 1 5

    5 5x x x

    x x x

    x x x

    . 20

    1 cos 1lim

    2x

    x

    x

    20

    1 cos 2limx

    x

    x

    2 2 20 0 0

    1 cos 2 1 cos 2 1 cos 2 1lim lim 4 4lim 4 2

    4 4 2x x x

    x x x

    x x x

    . lim xx

    e

    lim 2 xx

    x xe

    lim 2 lim 2 lim 2x xx x x

    x xe x xe

    . lim 0xx

    e

    2lim 2 1x xx

    e e

    2

    2 22lim 2 1 lim 1 lim 1 0 1 1x x x xx x x

    e e e e

  • 015 58 11 33 17

    . lim , 0x

    nx

    en

    x

    2

    2

    2lim

    x

    x

    e x x

    x

    2

    2 22

    2 2 2 2

    1 21

    2 1 2lim lim lim 1

    x

    x x

    x x x

    ex

    x x xe x x e

    x x x x x

    . lim 0 , 0n

    xx

    xn

    e

    lim2 1

    x

    xx

    e x

    e

    1 1

    1 0 1lim lim lim

    112 1 2 0 222

    x

    x x x

    xx x xx

    xx

    x xee x e e

    ee

    ee

    . lim lnx

    x

    1lim 2lnx

    xx

    1 1lim 2ln lim 2 lim ln 0 2x x x

    x xx x

    . 0

    lim lnx

    x

    20

    lim 1 5lnx

    x x x

    2 20 0

    lim 1 5ln lim 1 5limln 1 5xx x

    x x x x x x

    . 0

    lim ln 0 , 0nx

    x x n

    0

    1lim 4 lnx

    x x xx

    2 20 0 0 0

    1lim 4 ln lim 1 4 ln 1 4 lim lim ln 1 4 0 0 1x x x x

    x x x x x x x x xx

  • 015 58 11 33 18

    . 0

    lnlim , 0

    nx

    xn

    x

    2

    20

    4 3 lnlimx

    x x x

    x

    2

    2 2

    2 2 20 0 0

    3 ln4

    4 3 ln 3 lnlim lim lim 4 4x x x

    xx

    x x x xx x

    x x x x

    . lnlim 0 , 0nx

    xn

    x

    2

    2

    4 lnlim

    4lnx

    x x x

    x x

    2

    2 2 2

    22

    22

    4 ln 4 ln1 14 ln 1 0 0

    lim lim lim 1lnln4ln 1 0

    1 41 4x x x

    x xxx x x x x x x

    xxx xx

    xx

    . 0

    lim 0 , 0ln

    n

    x

    xn

    x

    2

    20

    3 4lnlim

    2 3lnx

    x x x

    x x x

    22

    2

    22 20 0 0

    3ln 4 3 4

    ln ln3 4ln 0 0 4 4ln lnlim lim lim2 3ln 0 0 3 32

    2 3ln 3ln lnln ln

    x x x

    x x x xxx xx x x x x

    x xx x x x xx

    x xx x

    . lim , 0ln

    n

    x

    xn

    x

    2 ln

    limlnx

    x x

    x

    2

    2 2ln 1

    lnlnlim lim lim 1

    ln ln lnx x x

    xx

    xx x x

    x x x

    . lim , 1xx

    a a

  • 015 58 11 33 19

    lim 4 3xx

    lim 4 3 4 lim 3x xx x

    . lim 0 ,1 0xx

    a a

    1lim 1 2 lim 1 1 0 12

    x

    xx x

    . lim 0 , 1xx

    a a

    1 2lim 1 2 2x xx

    2

    2 21 2lim 1 2 2 lim 1 2 lim 1 2 1 0 1x x x xx x x

    . lim ,1 0xx

    a a

    1 2

    1 1lim 1

    2 2x xx

    22

    2

    1 2

    1 1 1 1lim 1 lim 1 lim 1 1

    2 2 2 2x x x xx x x

    . lim , 1x

    nx

    aa

    x

    2

    2

    3 4lim

    2 1

    x x

    x

    x

    x x

    2

    2 22 2 2

    22

    22

    3 4 3 41 13 4 1

    lim lim lim2 12 12 1 1 0 0

    11

    x xx x

    x x

    x x x

    xx xx x x

    x xx

    x xx x

    . lim 0 , 1 0x

    nx

    aa

    x

    2

    2

    3 4lim

    3 2

    x x

    x

    x

    x x

  • 015 58 11 33 20

    2

    2 22 2 2

    22

    22

    3 4 3 41 13 4 1 0 0

    lim lim lim 13 23 23 2 1 0 0

    11

    x xx x

    x x

    x x x

    xx xx x x

    x xx

    x xx x

    . 1

    0

    1lim 1 lim 1

    x

    x

    x xx e

    x

    8lim2

    x

    x

    x

    x

    8 8 101 1 12 2 2

    x x

    x x x

    102 2

    10108 10 10lim lim 1 lim 1

    2 2 2

    xx xx x

    x x x

    xe

    x x x

    2

    2

    20

    1lim

    1

    x

    x

    x

    x

    2 2

    2 2 2

    1 1 11 1 1

    1 1 1

    x x

    x x x

    2

    22 2 2 2

    20

    1 12 lim1 0

    2 2 20 0 0

    1 1 1lim lim 1 lim 1 1

    1 1 1

    x

    x

    xx x x x

    x

    x x x

    xe e

    x x x

    . 0 0

    ln 1 1lim lim 1

    ax

    x x

    x e

    x ax

    2

    30

    3 4lim

    2 3

    x x

    x xx

    e e

    e e

    22

    2 0

    33 30 0

    0

    1 11 1 lim 2 3321 3 3 1 2 3 1

    lim lim 11 11 2 2 1 3 2 11 1

    2 lim 3 23

    x xx x

    x x x

    x xx x x xx x

    x

    e ee ex xe e x x

    e ee e e e

    x x x x

    3

    0

    ln 1 3 1lim

    sin 4

    x

    x

    x e

    x

  • 015 58 11 33 21

    3 3

    3

    0 0 0

    ln 1 3 1 ln 1 3 13 3ln 1 3 1 1 3 1 3 33 3lim lim lim

    sin 4 sin 4sin 4 1 4 24

    4

    x x

    x

    x x x

    x e x ex e x x x

    x xx

    x x

    .0

    1lim ln

    x

    x

    aa

    x

    0

    7 8lim

    3 4

    x x

    x xx

    0 0 0

    515

    44 145 4 ln 5 ln 4

    lim lim lim3 4 ln 3 ln 433

    14 144

    x

    x

    x

    x x

    xx x xx x xx

    x

    x

    .0

    (1 ) 1lim

    n

    x

    xn

    x

    3 220

    3 3lim

    2x

    x x x

    x x

    3

    33 2 3 2

    2 22 20 0 0 0

    1 1

    1 13 3 3 3 1 1 3lim lim lim lim

    2 2 1 1 21 1 1 1x x x x

    x

    xx x x x x x x

    x x x x x x

    x

    . ( )lim( )x a

    f x

    g x 0

    0 0

    0

    - ( )x a 2( ) ............x a

    - ( )x a ( x a x a 0x a ( )x a )

    - x a

    3

    0

    1 1lim

    3x

    x

    x

    00

  • 015 58 11 33 22

    23 3 33

    0 0 23 3

    1 1 1 1 11 1

    lim lim3 3 1 1 1

    x x

    x x xx

    x x x x

    0 02 23 33 3

    1 1 1 1lim lim

    93 1 1 1 3 1 1 1x x

    x

    x x x x x

    3 31 1u x x u 0x 1u

    3

    3 2 20 1 1 1

    11 1 1 1 1lim lim lim lim

    3 93 1 3 1 1 3 1x u u u

    ux u

    x u u u u u u

    3

    0

    1 1 1lim

    3 9x

    x

    x

    .

    2

    2 2

    3 3 2 2

    5 5 4 3 2 2 3 4

    1 2 1

    3 3 2 2

    5 5 4 3 2 2 3 4

    1 2

    ( )( )

    ( )( )

    ( )( )

    ( )( ............ )

    ( )( )

    ( )( )

    ( )(

    nn n n n n

    n n n n n

    a b a b a b

    a b a b a ab b

    a b a b a a b a b ab b

    a b a b a a b ab b

    a b a b a ab b

    a b a b a a b a b ab b

    a b a b a a b a

    3 2 1.......... ( 1) .... )p p n p nb a b b n CacnM nY Kte; ss

    n nn nnnn nn n

    n nn n

    nn

    bbabaa

    baba

    1221 ........................

  • 015 58 11 33 23

    - x ( )f x ( )g x

    - ( 0x x )

    - x

    3 2

    3 2

    4 5 1lim

    3 5 6 7x

    x x x

    x x x

    23

    3 3 33 2 2 3

    3 2 23

    2 33 3 3

    4 5 1 4 5 11 14 5 1 1

    lim lim lim4 6 73 4 6 7 34 6 7 33

    x x x

    x xx

    x x xx x x x x x

    x x x x xx

    x x xx x x

    3 2

    3 2

    4 5 1 1lim

    3 5 6 7 3x

    x x x

    x x x

    1 11( ) ...................

    n n n n

    n nP x a x a x a x a

    x nnxaxP )( . x

    2 2lim 5 1 3 2x

    x x x x

    2 2 2 2

    2 2

    2 2

    5 1 3 2 5 1 3 2lim 5 1 3 2 lim

    5 1 3 2x x

    x x x x x x x xx x x x

    x x x x

    2 2

    2 2

    2 2

    32

    5 1 3 2lim lim

    5 1 3 25 1 3 21 1

    x x

    xx x x x x

    x x x xx

    x x x x

    x x x x x x

    2 22 2

    3 32 2

    lim lim 15 1 3 25 1 3 2

    1 11 1x x

    xx x

    xx x x xx x x x

  • 015 58 11 33 24

    2 2 2 2

    3 32 2

    lim lim 15 1 3 2 5 1 3 2

    1 1 1 1x x

    xx x

    xx x x x x x x x

    2 21

    lim 5 1 3 21x

    xx x x x

    x

    ebI

    ebI

    .

    ) 0x ( x )

    . 0 0

    sinlim lim 1

    sinx x

    ax ax

    ax ax .

    0 0

    1 coslim lim 0

    1 cosx x

    ax ax

    ax ax

    . 0 0

    tanlim lim 1

    tanx x

    ax ax

    ax ax .

    20

    1 cos 1lim

    2x

    x

    x

    + x 0 0

    sin tanlim lim

    180x x

    x x

    x x

    + x 0 0

    sin tanlim lim

    200x x

    x x

    x x

    ) 0x x ( x ) 0x x

    0u x x ( 0u x x ) 0 0x x u 0x u x 0x x u

    .

    0 0

    sinlim lim 1

    sinx x

    ax ax

    ax ax .

    0 0

    1 coslim lim 0

    1 cosx x

    ax ax

    ax ax

    . 0 0

    tanlim lim 1

    tanx x

    ax ax

    ax ax .

    20

    1 cos 1lim

    2x

    x

    x

    2

    tanlim

    2x

    x

    x

    , 2

    1

    1lim

    sinx

    x

    x

    , 2

    2

    1 sinlim

    2

    x

    x

    x

  • 015 58 11 33 25

    1. 2 2u x x u 2x 0u

    2 0 0 0

    tan 2 tan 2 tan 2tanlim lim lim lim

    2x u u u

    u u ux

    x u u u

    0 0

    tan tanlim lim 1u u

    u u

    u u

    2

    tanlim

    2x

    x

    x

    2. 1 1u x x u 1x 0u

    2

    1 1 0

    1 1 1 11lim lim lim

    sin sin sinx x u

    x x u ux

    x x u

    0 0

    2 2 2 0 2lim lim 1

    sin sinu u

    u u u u

    u u

    2

    1

    1 2lim

    sinx

    x

    x

    3.2 2

    u x x u

    2

    x

    0u

    2 2 20 0

    2

    1 sin1 sin 1 cos 12

    lim lim lim2

    2

    u ux

    ux u

    u ux

    I KNnalImItxageRkam

  • 015 58 11 33 26

    1, 2

    0

    1lim

    1 1x

    x x

    x x

    21 2 3 2

    2, lim1 2 1x

    x x x

    x x

    2 23, lim 8 1 3

    xx x x

    4, 2

    0limx

    x x

    x

    5,

    2

    3

    2

    4 9lim

    2 3x

    x

    x

    6,

    22

    2lim

    2 2x

    x

    x

    7,

    2

    24

    2 4 24 1lim

    4x

    x x

    x x

    8, 31

    1lim

    1x

    x

    x

    9,

    24

    2lim

    3 2 1x

    x

    x

    10,

    31

    2 2lim

    26 3x

    x

    x

    11,

    41

    1lim

    17 2x

    x

    x

    12,

    4lim

    4x

    x

    x

    13, 0

    3lim 4x x

    14,

    1lim 1x

    x x

    15, 1

    lim 2 1x

    x x

    16, 2

    0

    1 1limx x x

    II KNnalImItxageRkam

    1, 5 2

    3

    2 1lim

    1x

    x x

    x

    2,

    2

    2020lim

    2010x

    x

    x 3,

    2 3

    5

    2 3 3 2lim

    4444444x

    x x

    x

    4,

    2 3

    2

    2 1 5 1lim

    100 100 1979x

    x x

    x x

    5,

    2 4

    3 6

    2 5 3 1lim

    1 4 3 2x

    x x x

    x x x

    III KNnalImItxageRkam

    1, 2 2lim 1 1x

    x x x x

    2, 2lim 3x

    x x x

    3, lim 3 5x

    x x

    4, lim 1x

    x x

    5, 2 2lim 2 4x

    x x x

    6, 2lim 2 1 4 4 3x

    x x x

    IV KNnalImItxageRkam

    1/ 0

    sin 7lim

    49x

    x

    x 2/

    0

    sin 2010lim

    sin 2008x

    x

    x 3/

    0

    1 coslim

    sin 5x

    x

    x

    4/

    2

    20lim

    sin 3x

    x

    x 5/

    0

    1 cos 4limx

    x

    x

    6/

    0

    3 1 coslimx

    x

    x

    7/

    2

    2lim

    cosx

    x

    x

    8/

    20

    1 2lim cos 3

    cosxx

    x x

    9/

    2

    1

    sinlim

    1x

    x

    x

    10/ 2

    0

    1 coslimx

    x

    x

    11/

    2

    1 sin coslim

    1 sin cosx

    x x

    x x

    12/ 2

    1lim 1 cosx

    xx

    13/

    20

    2 1 coslim

    sinx

    x

    x

  • 015 58 11 33 27

    14/ 2

    2

    1 sinlim

    2

    x

    x

    x

    15/ 20

    1 cos cos 2limx

    x x

    x

    16/

    0

    1 sin coslim

    1 sin cosx

    x x

    x x

    17/

    2

    2

    6

    2sin 3sin 1lim

    4sin 1x

    x x

    x

    18/ 20

    1 sin cos 2lim

    sinx

    x x x

    x

    19/

    0

    sin 3lim

    2 2x

    x

    x 20/

    2

    0

    sinlim

    1 sin cosx

    x

    x x x 21/

    0

    sinlim

    1 cosx

    x ax

    bx

    22/

    1 sin2lim

    x

    x

    x

    23/

    1

    cos2lim

    1x

    x

    x

    24/

    1 coslim

    sinx

    x

    x

    25/ 2

    2

    2

    sinlim

    cosx

    xtg x

    x

    26/

    4

    sin 2 cos 2 1lim

    cos sinx

    x x

    x x

    27/

    0

    1sin

    6 2limx

    x

    x

    V KNnalImItxageRkam

    1/ lim 1xx

    e

    2/ lim 200xx

    e

    3/ lim 4xx

    e

    4/ lim 3 5xx

    e x

    5/ lim 7777xx

    e x

    6/ 3lim xx

    x x e

    7/ 3lim xx

    x x e

    8/ 1

    32limx

    xe

    9/

    3lim

    1 xx e

    10/ lim 2 xx

    x xe

    11/ 1

    lim1xx e

    12/ 0

    1lim

    1xx e

    13/ 2lim 1xx

    e x

    14/ 2lim x

    xe

    15/ 2lim x

    xx xe

    16/ lim2 1

    x

    xx

    e x

    e

    17/

    0

    2lim

    3

    x

    x

    x

    x

    18/ lim

    1

    x

    x

    x

    x

    19/

    21

    lim3

    x

    x

    x

    x

    20/

    20

    sin 1lim

    x

    x

    x e

    x x

    21/

    sin sin 2

    0lim

    x x

    x

    e e

    x

    22/ 0

    1 sinlim

    1 1

    x

    x

    e x

    x

    23/

    2 2

    0lim

    sin 2

    x x

    x

    e e

    x

    24/

    2

    0

    sin 1lim

    tan

    x

    x

    e

    x x

    25/

    2

    20

    coslim

    x

    x

    e x

    x

  • 015 58 11 33 28

    VI KNnalImItxageRkam

    1/ 20

    lim 3 lnx

    x x x

    2/ 0

    lim 2 lnx

    x x

    3/ 0

    1lim 2lnx

    xx

    4/ 20

    lim 1 5lnx

    x x x

    5/ 0

    lim ln ln 3x

    x x 6/ 0

    1lim

    lnx

    x

    x

    7/ 2lim 3 lnx

    x x x

    8/ lim 2 lnx

    x x

    9/ 1

    lim 2lnx

    xx

    10/ 2lim 1 5lnx

    x x x

    11/ lim ln ln 3x

    x x

    12/ 1

    limlnx

    x

    x

    13/ 0

    lim1x

    x

    x

    14/ 2lim ln 1

    xx x

    15/ lim ln 1 ln

    xx x x

    16/ 2ln 2 2 1

    limx

    x x x

    x

    17/

    2

    ln 1lim , 0

    x

    x

    e xx

    x

    18/

    ln 1lim

    2010xx

    x x

    e

    19/

    3

    2

    lnlimx

    x

    x 20/

    3

    2

    lnlim

    1x

    x

    x 21/

    0

    ln 2lim

    1x

    x

    x

    VII . KNnalImItxageRkam

    2

    2

    2

    sin 14lim

    2

    x

    x x

    x

    3 2

    1

    2lim

    sin 1xx x

    x

    1

    0lim 1 sin 2 xx

    x

    0

    lim sintgx

    xx

    2 1

    2lim

    1

    x

    x

    x

    x

    2

    3 5lim

    3 1

    x

    x

    x

    x

    0

    1 coslim

    1 cosxx

    x

    2

    20

    1 coslimx

    x x

    x

    2

    0

    1 cos 2lim

    sinxx

    x x

    IIX . KNnalImItxageRkam

  • 015 58 11 33 29

    2

    0

    1lim

    3

    x

    x

    e

    x

    sin

    sin

    0

    sinlim

    x

    x x

    x

    x

    x

    0

    ln 2010 1limx

    x

    x

    1

    lim1

    x

    x

    e e

    x

    2

    2

    2

    1lim

    1

    x

    x

    x

    x

    1

    0lim cos sin xx

    x x

    IX . KNnalImItxageRkam

    1 . sin sinlimx a

    x a

    x a

    2 > cos coslim

    x a

    x a

    x a

    3>

    cot cotlimx a

    x a

    x a

    4 > tan tan

    limx a

    x a

    x a

    5 >

    3

    sin3

    lim1 2cosx

    x

    x

    6 >

    3

    3

    tan 3tanlim

    cos6

    x

    x x

    x

    7> 3

    3

    4

    1 cotlim

    2 cot cotx

    x

    x x

    8>

    3

    20

    cos coslim

    sinx

    x x

    x

    9 >

    0

    1 cos cos 2 cos3lim

    1 cosx

    x x x

    x

    10> 30

    1 tan 1 sinlimx

    x x

    x

    11>

    2

    0lim

    1 sin cosx

    x

    x x x

    12>

    20

    sin 2 2sin sinlimx

    a x a x a

    x

    13>

    20

    cos 2 2cos coslimx

    a x a x a

    x

    14>

    20

    tan 2 2 tan tanlimx

    a x a x a

    x

    15>

    20

    cot 2 2cot cotlimx

    a x a x a

    x

    16> 2

    0

    sin sin 2 sinlimx

    a x a x a

    x

    17>

    220

    tan tan 2 tanlimx

    a x a x a

    x

    18> 20

    cos cos3limx

    x x

    x

    19 >

    4

    lim tan 2 tan4x

    x x

    20>

    1lim 1 tan

    2xx x

    21>

    2 1

    1

    0lim 2 1

    xx xx

    xe

    22>

    sec2

    1lim 2

    x

    xx

    23>

    cot

    1lim 1 sin

    x

    xx

    24> 3

    1

    sin

    0

    1 tanlim

    1 sin

    x

    x

    x

    x

    25 >

    1

    sinlim

    sin

    x a

    x a

    x

    a

    26> 2

    1

    0

    coslim

    cos 2

    x

    x

    x

    x

  • 015 58 11 33 30

    27 > tan 2

    4

    lim tanx

    x

    x

    28> tan

    2

    lim sinx

    x

    x

    29 > cot

    0lim tan

    4

    x

    xx

    30> 0

    lim cosxx

    x

    31> 1 1

    lim sin cos

    x

    x x x

    32>

    2cot2

    0lim 1

    x

    xx

    33> 0

    lim 1 2xx

    x

    34> tan 2

    4

    lim tan8

    x

    x

    x

    35> lim , 0

    x a

    x a

    a xa

    x a

    36 > lim , 0x a

    x a

    x aa

    x a

    37>

    ln lnlimx a

    x a

    x a

    38>

    1

    0lim x xx

    x e

    X . KNnalImItxageRkamedayeRbIniymny

    1> 5

    lim 5x

    x

    2> 2 3lim 23x

    x

    x

    3>

    22lim

    3 6x

    x x

    x

    4> 3

    lim 2 3 3x

    x

    5> 4

    lim 3 5x

    x

    6> 22 3

    lim 24x

    x

    x

    7>4

    lim 2 1 3x

    x

    8>4

    2 3lim

    4x

    x

    x

    9>

    2

    1

    2 3lim

    1x

    x

    x

  • 015 58 11 33 31

    I. ( )f x x a ( )

    lim ( ) ( )x a

    f a

    f x f a

    kNM t); an

    f 26 3

    ( ) 93

    3

    x

    f x xx

    x

    ebI

    ebI

    (3) 6 (1)f

    2

    3 3 3

    9lim ( ) lim lim 3 6 ....(2)

    3x x x

    xf x x

    x

    1 & 2 3

    lim ( ) (3) 6x

    f x f

    f 3x

    II.

    ( )f x x a ( )

    lim ( ) ( )x a

    f a

    f x f a

    kNM t); an

    21 0

    ( )0

    x

    f x xx x

    x

    ebI

    ebI

    f 0x

    (0) 1 .....(1)f

    2

    0 0 0lim ( ) lim lim 1 1 ..... 2x x x

    xf x x x

    x

    1 & 2 0

    lim ( ) (0) 1x

    f x f

    f 0x

  • 015 58 11 33 32

    ( )f x x a ( )

    lim ( ) ( )x a

    f a

    f x f a

    kNM t); an

    3 1( )2 5 1

    xf x

    x x

    ebI

    ebI

    f 1x

    ( 1) 3 ...... 1f

    1 1

    lim ( ) lim 2 5 3 ...... 2x x

    f x x

    1 & 2 1

    lim ( ) ( 1) 3x

    f x f

    f 1x

    ( )f x x a ( )f x ( )f x x a

    ( )f x x a lim ( ) ( ) lim ( ) ( )x a x a

    f x f a f x f a

    2

    2

    11

    1

    ( ) 2 1

    3 1

    xx

    x

    f x x

    x x

    ebI

    ebI

    ebI

    f 1x ?

    ( 1) 2 ........(1)f

    2

    1 1 1

    1lim ( ) lim lim 1 2 ..... 2

    1x x x

    xf x x

    x

    21 1

    lim ( ) lim 3 2 ....... 3x x

    f x x

    1 , 2 & 3 1 1

    lim ( ) lim ( ) ( 1) 2x x

    f x f x f

    f 1x

  • 015 58 11 33 33

    III.

    ( )f x ( , ) ( ) ( , )f x x CabR; tg;

    3( )4

    xf x

    x

    0 , 1

    0 1 0 , 12

    x 0x

    1

    31 52 ...... 1

    12 94

    2

    f

    1 1

    2 2

    3 5lim ( ) lim ....... 2

    4 9x x

    xf x

    x

    1 1

    2 2

    3 5lim ( ) lim ........ 3

    4 9x x

    xf x

    x

    1 , 2 & 3 0 , 1

    ( )f x ( ) ( , )

    [ , ] ( )

    ( )

    f x

    f x

    f x

    Cabk; ugcena HCabx; agsa M nCabx; ageqgV n

    1 cos 2

    sin 1( ) sin

    2 0

    xx x

    f x x

    x

    ebI

    ebI

    f

    [ , ]2 2

    (0) 2f 2 sin1 cos 2

    ( ) sin sinsin sin

    xxf x x x

    x x

    0x

    sin 2 0

    ( )sin 2 0

    x xf x

    x x

    ebI

    ebI

    0 0

    lim ( ) lim sin 2 2 (0)x x

    f x x f

    0x

  • 015 58 11 33 34

    0 0

    lim ( ) lim sin 2 2 (0)x x

    f x x f

    0x

    f 0 ,2 2

    x

    f ,2 2

    f

    1 ln 0

    1 0

    ( ) sin1

    1

    1

    x x x

    x

    f x xx

    x

    x

    ebI

    ebI

    ebI

    ebI

    f 0 , 1

    f 0 , 1

    (0) 1f (1)f

    0 0

    lim ( ) lim 1 ln 1 (0)x x

    f x x x f

    1 1

    sinlim ( ) lim

    1x x

    xf x

    x

    1 1u x x u 1x 0u

    1 0 0

    sin sinlim ( ) lim lim (1)x u x

    u uf x f

    u u

    f 0 , 1

    IV.

    ( )f x x a lim ( )x a

    f x L

    ( )f x

    x a ( )

    ( )f x x a

    g xL x a

    ebI

    ebI

    f 2 9

    ( )3

    xf x

    x

    f

    3x ?

    f 3 0 3x x f {3}D

    2

    3 3 3

    9lim ( ) lim lim 3 6

    3x x x

    xf x x

    x

  • 015 58 11 33 35

    g

    2 93

    ( ) 3

    6 3

    xx

    g x x

    x

    ebI

    ebI

    g f 3x

    V.

    f g x a

    . ( ) ( )f x g x x a . ( ) ( )f x g x x a

    . ( )k f x x a k . ( )( )

    f x

    g x x a ( ) 0g x

    11( ) ......

    n n

    n nP x a x a x a

    1, ,...... ,n na a a 0na x

    ( )( ) , ( ) 0( )

    P xR x q x

    q x x

    ( ) ( )nf x P x x

    sin , cosy x y x

    tany x Zkkx ,2

    coty x Zkkx ,

  • 015 58 11 33 36

    .

    cos

    2( ) 2

    12

    xx

    xf x

    x

    ebI

    ebI

    f

    .2 1

    ( )1

    x xf x

    Ax B x

    ebI

    ebI A Bngi

    f

    .

    2sin2

    ( ) sin2 2

    cos2

    x x

    f x A x B x

    x x

    ebI

    ebI

    ebI

    A Bngi f 2

    x

    . 2sin ] , 2 [

    3

    ( ) 2 [ 2 , 4 ]

    cos ] 4 , [2

    x x

    f x Ax Bx x

    x x

    ebI

    ebI

    ebI

    A Bngi f

    .2 1 2

    ( )2011 2

    x xf x

    x A x

    ebI

    ebI A f 2x

    .1 cos 2

    sin 0( ) sin

    2 0

    xx x

    f x x

    A x

    ebI

    ebI

    A f 0x

  • 015 58 11 33 37

    .

    2 2 1

    ( ) sin 1 22

    2

    Ax x

    f x x x

    Ax B x

    ebI

    ebI

    ebI

    A Bngi f

    . 34 0

    ( )0

    sin

    x x

    A x

    f x e ex

    x

    ebI

    ebI A f 0x

    .2

    2 0( )

    4 0

    x xe ex

    f x x

    A x

    ebI

    ebI

    A f 0x

  • 015 58 11 33 38

    I. -

    0,x x 0( ) , ( )y f x y f x 0,x x 0x x x

    0 0 0 0( ) ( ) ( ) ( )y y y f x f x f x x f x 0] , [x x

    II.()

    0 0, ( )fx x D yx

    0x (

    00

    ( ) ( )f x f x

    x x

    0x x ) 0x

    0 'y 0'( )f x 0

    0 0 00

    0 00

    ( ) ( ) ( ) ( )'( ) lim lim lim

    x x x x

    f x x f x f x f xyf x

    x x x x

    0

    0

    0

    ( ) ( )limx x

    f x f x

    x x

    ( )f x 0x

    2( ) 2 1f x x x 0 2x

    2 2 22 2 2

    2 1 2 2 2 1( ) (2) 2 1 9'(2) lim lim lim

    2 2 2x x x

    x xf x f x xf

    x x x

    2

    2 2 2

    2 2 22 2 2 24 2 4lim lim lim

    2 2 2x x x

    x xx x xx x

    x x x

    2

    lim 4 6x

    x

    f 0 2x '(2) 6f

    III.-

    - ( )f x 0x 00

    ( ) ( )f x f x

    x x

  • 015 58 11 33 39

    0x x ( )f x 0x

    0

    00

    0

    ( ) ( )'( ) lim

    x x

    f x f xf x

    x x

    - ( )f x 0x 00

    ( ) ( )f x f x

    x x

    0x x ( )f x 0x

    0

    00

    0

    ( ) ( )'( ) lim

    x x

    f x f xf x

    x x

    ( )f x 0x

    0 0

    0 0'( ) '( )...... 1

    lim ( ) lim ( )..... 2x x x x

    f x f x

    f x f x

    f 32

    0( )

    0 0

    xx

    xf x

    x

    ebI

    ebI

    f 0x ?

    32

    32

    22 0

    2( ) 2 0

    0 0

    xx x

    x

    xf x x x

    x

    x

    ebI

    ebI

    ebI

    2

    0 0 0

    ( ) (0) 2'(0 ) lim lim lim 2 0

    0x x x

    f x f xf x

    x x

    2

    0 0 0

    ( ) (0) 2'(0 ) lim lim lim 2 0

    0x x x

    f x f xf x

    x x

    '(0 ) '(0 )f f 0x

    A Bngi 2

    2

    1( )

    1

    x xf x

    x Ax B x

    ebI

    ebI

    1x

    f 1x f

  • 015 58 11 33 40

    2 21 1

    1 1

    1 1

    lim limlim ( ) lim ( )

    ( ) (1) ( ) (1)'(1 ) '(1 ) lim lim

    1 1

    x xx x

    x x

    x x Ax Bf x f x

    f x f f x ff f

    x x

    2 2

    1 11 1

    2 ..... 1 2 .... 1

    1 1 lim 1 lim 1lim lim1 1 x xx x

    A B A B

    x x Ax B A B x A xx x

    2 ..... 1 422 2

    A B A

    BA

    4 , 2A B

    IV.

  • 015 58 11 33 41

    .2

    2

    2 2 1( )

    1

    x xf x

    x Ax B x

    ebI

    ebI A Bngi f 1x

    . f ]0 , [ ln

    1 ; ,( )

    3 2 0 1

    xAx B x A B

    xf x

    x x

    ebI

    ebI

  • 015 58 11 33 42

    A Bngi f 1x

    . f 2 2 0

    ( )

    6 2 0

    Ax Bx xf x

    x x

    ebI

    ebI

    A Bngi f 1x

    . A Bngi 2

    2

    1( )

    1

    x xf x

    x Ax B x

    ebI

    ebI 1x

    . A Bngi 22

    2 2 1( )

    1

    x xf x

    x Ax B x

    ebI

    ebI 1x

    . A Bngi 2 1

    ( )

    1

    x xf x

    Ax B x

    ebI

    ebI 1x

    . 180cm120cm

    ?

    . A M 3 /km h 5 /km h A B

    2km B C 6km M

    A M M C

    . A B I ( )XY

    33 ,2

    BK m AH 9KH m I ( )XY AI IB

    IH

    A

    B

    I HK YX

  • 015 58 11 33 43

    I. x ( )f x

    ( )y f x D ( )y f x ( ) 0f x

    ( )

    ( )

    f xy

    g x ( ) 0g x ( )

    ( )

    f xy

    g x ( ) 0g x

    log ( )ay f x ( ) 0f x , (0 1 )xy a a x

    sin

    cos

    xy

    x

    x tany x kkx ,2

    coty x kkx ,

    ( )f x 1D ( )g x 2D

    ( ) ( )f x g x 1 2D D ( ) ( )f x g x 1 2D D

    +

    x

    + x

    ) 2 21 1( ) 1 2 1 1 2 12 2

    f x x x x x

    ) 2 2( ) 2 1 3 2 4f x x x x x

  • 015 58 11 33 44

    )

    2 21 1( ) 1 2 1 1 2 12 2

    f x x x x x

    2 2

    2 2 2 2 2 2 2 21 1 1 11 2 1 1 2 1 1 12 2 2 2

    x x x x x x x x x x x x

    2 21 11 12 2

    x x x x

    21 0 1 1x x

    1 , 1fD

    )

    2 2 2 2( ) 2 1 3 2 4 1 2 1 1 4 2 4 1f x x x x x x x x x

    2 2

    2 21 1 4 1 1 1 4 1x x x x

    2

    11 0

    1 44

    4

    xx

    x xx

    x

    f [4 , )fD

    2 21. ( ) ln 3 2 4 5f x x x x x

    2

    12. ( ) ln

    6

    xf x

    x x

    23. ln 1 lg 5 6x x

  • 015 58 11 33 45

    2

    2

    5 4 104. ( )

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    x x

    25. ( ) 2 3f x x x

    26. ( ) 3 5 4f x x x x 2

    27. ( )

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    x x x

    18. ( )2

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    x

    3 2

    29. ( )

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    x x x

    2

    110. ( ) ln

    6

    xf x

    x x

    2 211. ( ) ln 12 ln 1f x x x x x

    12 2 1

    12. ( ) ln2 1

    x

    x

    xf x

    1 1

    2 12 213. ( ) ln 4 3 3 2x x

    x xf x

    1 1

    2 12 214. ( ) 4 3 3 2x x

    x xf x

    3 115. ( )27 3

    x

    xf x

    2216. ( ) ln 12f x x xx x

    217. ( ) ln 1 7 25f x x x x

    2 3 2

    18. ( ) ln1

    x xf x

    x

    219. ln

    2

    xy

    x

    20. lg 1y x 1 221. lg

    3

    xy

    x

    4

    22. log 2x

    y

    2223. log 8 15xy x x

    32 lg 2 lg24. lg 8 4x xy 225. lg lg 5lg 6y x x

  • 015 58 11 33 46

    II.

    f ,a b

    + f ,a b 1 2, ,x x a b 1 2 1 2( ) ( )x x f x f x

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    20

    '( ) 0 3 2 0 2

    3

    x

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    0m

    0m

  • 015 58 11 33 47

    1 , 2 1

    2

    0 1

    322

    3

    x

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    1 , 2 3m

    + f ,a b 1 2, ,x x a b 1 2 1 2( ) ( )x x f x f x

    22 1 1

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    f xm x

    m

    2 ,

    0m x x m

    { }fD m

    2

    2

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    2

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    4 1 2 1 1'( )

    4 4 2 1 1

    2 4 2 1

    x m m x x m x mf x

    m x

    mx x m x m mx x m x m

    m x

    x mx m m

    m x

  • 015 58 11 33 48

    2 2( ) 2 4 1 2h x x mx m m

    2 , '( ) 0 , 2 ,f x x

    2 22 4 2 1 0x mx m m 2

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    2 2 2 2

    22

    ' 4 2 1 2 4 2 4 2

    2 4 2 2 1 0

    m m m m m m

    m m m

    2

    2

    2 4 1 2 11 ' 0 '( ) 2 0 , 2 ,

    1

    x xm f x x

    x

    2 ,

    1 ' 0 '( ) 0m f x 1 2x x

    2 ,

    2

    2

    1 2

    1 0' 0 1

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    2 0 5 3 2 5 3 22 02

    m m

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    S m m m

    rW

    5 3 2m

    5 3 2m

    +

  • 015 58 11 33 49

    f ] , [a b

    . f ] , [ '( ) 0 , ] , [a b f x x a b

    . f ] , [ '( ) 0 , ] , [a b f x x a b

    . f ] , [ '( ) 0 , ] , [a b f x x a b

    + ' '( )y f x f

    + '( ) 0f x

    + f

    III.m

    . m ()

    + f '( ) 0 ,f x x m m '( ) 0f x

    2'( )f x ax bx c

    2 0'( ) 00

    af x ax bx c

    3 2( ) 1 2f x m x mx x m

    f

    2'( ) 3 1 2 2f x m x mx '( ) 0f x

    222

    13 1 0 1

    6 6 0 3 34 24 1 0

    ma m m

    m m mm m

    1 3 3 3 33 3 3 3

    mm

    m

  • 015 58 11 33 50

    f 3 3 , 3 3m

    + f '( ) 0 ,f x x 2

    0'( ) 0

    0

    af x ax bx c

    3 2( ) 1 3 6 1f x m x mx mx m f

    2'( ) 3 1 6 6f x m x mx m '( ) 0,f x x

    2

    13 1 0 1

    0 02 0' 2 1 0

    2

    ma m m

    m mm mm m m

    m

    f 0m

    . m f

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    2 0'( ) 00

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    2 2'( ) 3 4 2 1f x x mx m '( ) 0f x '( )f x

    2 2 26 6

    ' 4 3 2 1 0 2 3 02 2

    m m m m

    6 6,2 2

    m

  • 015 58 11 33 51

    . m f ( )

    20

    '( ) 00

    af x ax bx c

    b

    m 3 2( ) 4 3 3 1 1f x m x m x m x

    2'( ) 3 4 2 3 3 1f x m x m x m '( ) 0f x

    4 0 43 0

    mm

    m

    . m f ( )

    2 0'( ) 00

    af x ax bx c

    b

    m

    2

    2

    2 2( )

    1

    mx xf x

    x

    2 2 2

    4 4

    4 2 1 2 2 2 2 2 2 1 4 2'( )

    1 1

    mx x mx x x m x mxf x

    x x

    41 0 , {1}x x '( )f x

    2 1 0 1

    2 0 2

    mm

    m

    IV.

    a) '( )f x 0x x f 0x x

    b) '( )f x 0x x f 0x x

    2 5 7

    ( )2

    x xf x

    x

  • 015 58 11 33 52

    2 0 2x x {2}fD

    2

    2 2

    2 11'( ) 1

    2 2

    xf x

    x x

    2

    '( ) 0 2 1 0 3 1 0 1 , 3f x x x x x x

    1x 1(1) 1 3 31 2

    f

    3x 1(3) 3 3 13 2

    f

    (1) 3f (3) 1f

    f 0x x 0'( ) 0f x 0'( ) 0f x f 0x x ( '( )f x )

    V.

    - x a lim ( )x a

    f x

    2 3 3

    ( )2

    x xf x

    x

    2 0 2x x 2

    2 2

    3 3lim ( ) lim

    2x x

    x xf x

    x

    2x

  • 015 58 11 33 53

    - y b lim ( )x

    f x b

    2

    2

    3 4( )

    2 1

    x xf x

    x

    12 1 02

    x x

    2

    2

    3 4 1lim ( ) lim

    4 4 1 4x x

    x xf x

    x x

    14

    y

    - ( ) :D y ax b lim[ ( ) ( )] 0x

    f x ax b

    ( )lim , lim[ ( ) ]x x

    f xa b f x ax

    x

    22 3 5

    ( )1

    x xf x

    x

    2( ) 2 3 5lim lim 2

    1x x

    f x x xa

    x x x

    22 3 5 5

    lim ( ) lim 2 lim 11 1x x x

    x x xb f x ax x

    x x

    y ax b 2 1y x

    + ( )f x ( ) ( )f x ax b x lim ( ) 0x

    x

    y ax b ( )f x

    + ( )y f x lim ( )x

    f x

  • 015 58 11 33 54

    - ( )limx

    f xa

    x lim[ ( ) ]

    xf x ax b

    (

    ) y ax

    - ( )limx

    f x

    x ( )

    ( )oy

    - 2( ) , ( 0)f x ax bx c a ( ) ( )2

    bf x a x x

    a

    lim ( ) 0x

    x

    2b

    y a xa

    ( )C

    -

    ( ) : ( )C y f x ( ) :D y ax b

    ( )C ( ) ( )x f x y

    + lim ( ) 0x

    x

    ( )C

    + lim ( ) 0x

    x

    ( )C

    VI.

    . () xoy ( , )M x y 0 0( , )x y XOY ( , )M X Y ( , ) / ( , ) /M x y xoy M X Y X Y

    00

    x x X

    y y Y

    . ( )y f x ( )C 0x () ( )y f x ( )C (0 , 0)O () ( ) : ( )C y f x 0x x

  • 015 58 11 33 55

    - 00

    x x X

    y y Y

    - ( )y f x 0( ) ( )Y f x X g X

    - ( )Y g X

    1x

    2

    2

    1( )

    2 3

    xy f x

    x x

    1x X

    y Y

    2 2

    2 2

    1 1( )

    41 2 1 3

    X XY g X

    XX X

    2

    2( ) ( )

    4

    Xg X g X

    X

    1x ( )y f x

    . 0 0( , )x y

    - 00

    x x X

    y y Y

    - ( )y f x 0 0( ) ( )Y f x X y g X

    - ( )Y g X

    1 , 4I C1

    ( ) 31

    y f x xx

    14

    x X

    y Y

    1 14 1 3 ( )1 1

    Y X Y X g XX X

  • 015 58 11 33 56

    1 1( ) ( )g X X X g X

    X X

    ( )Y g X

    1 , 4I C ( )y f x

    . 0x x ( )y f x

    0 0( ) ( )f fx x D x x D 0 0( ) ( )f x x f x x

    0(2 )f fx D x x D 0(2 ) ( )f x x f x

    1x C

    4 3( ) 4 2 12 1y f x x x x x

    D

    1 1x D x D

    4 3 2

    2 3 4 2 3 2

    4 3 2 3 2 2

    4 2

    (1 ) 1 4 1 2 1 12 1 1

    1 4 6 4 4 1 3 3 2 1 2 12 12 1

    4 6 4 1 4 12 12 4 2 4 2 12 12 1

    8 8

    f x x x x x

    x x x x x x x x x x

    x x x x x x x x x x

    x x

    4 3 2

    4 3 2 3 2 2

    4 2

    (1 ) 1 4 1 2 1 12 1 1

    4 6 4 1 4 12 12 4 2 4 2 12 12 1

    8 8

    f x x x x x

    x x x x x x x x x x

    x x

    1 1f x f x

    1x C ( )y f x

  • 015 58 11 33 57

    . ( , )I a b ( )y f x

    ( ) ( )f fa x D a x D ( ) ( ) 2f a x f a x b

    (2 )f fx D a x D (2 ) ( ) 2f a x f x b

    C2 3

    ( )1

    xy f x

    x

    1 , 2I

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    1 1x D x D

    2 1 3 2 5 51 2

    1 1

    x xf x

    x x x

    2 1 3 2 5 51 2

    1 1

    x xf x

    x x x

    5 51 1 2 2 2 2 4f x f xx x

    1 , 2I 2f a x f a x b

    1 , 2I C ( )y f x

    C2 1

    ( )2

    x xy f x

    x

    2

    2 2

    1lim ( ) lim

    2x x

    x xf x

    x

    2x

    ( )f x 2 1 3 3( ) 12 2

    x xf x x

    x x

    3lim ( ) lim 02x x

    xx

    1y x

  • 015 58 11 33 58

    2 2 1 3x y 2 , 3I

    2 ( ) 2f a x f x b

    3 34 4 1 5

    4 2 2f x x x

    x x

    3 3

    4 5 1 6 22 2

    f x f x x x bx x

    2 , 3I C

    . m 2 1 1

    ( )x m x m

    f xx m

    . 4 3 2( ) 4 6 4 12y f x x x x x 1x

    . 2 1

    ( )1

    x xy f x

    x

    VII.

    . ( )

    ( ) : ( , )mC y f x m

    xoy ( , )y f x m

    m m

    ( , )y f x m ( )mC

    0 0( , )M x y ( )mC

    m ( )mC ( )mC

    0 0( , )M x y ( )mC

    ( ) : ( , )mC y f x m m

  • 015 58 11 33 59

    +

    +

    +

    4: ( ) , ( 2)mmx

    C y f x mx m

    0 0,A x y 0 0, mA x y C

    00 0 0 0 0 00

    44 0 ...(1) ,

    mxy y x m x y x m

    x m

    1 , 2m m

    0 00 0 0 020 0 0

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    4 0 4

    y xy xy x

    x y x

    2m mC 2 , 2 & 2 , 2A B

    0 0( , )M x y ( )mC

    0 0 0 0( , ) ( ) ( , ) (1)mM x y C y f x m

    (1) 0 (2)Am B 2 0 (3)Am Bm C

    (2) (3)......

    0(2) :

    0

    A

    B

    0

    (3) : 0

    0

    A

    B

    C

    0 0( , )x y

    ( )mC

  • 015 58 11 33 60

    +

    +

    +

    2: ( ) 2 2 1 4mC y f x mx m x m mC m

    0 0,A x y mC 0 0, mA x y C

    2 2

    0 0 0 0 0 0 0

    2

    0 0 0

    2

    0

    2 2 1 4 4 4 2

    2 2 .......(1)

    '( ) 2

    y mx m x m y x x m x

    y x m x F m

    F m x

    20 0 0( ) '( ) 0 2 0 2F m y F m x x efr

    0 02 2 2 4x y

    mC 2 , 4A

    .

    -

    -

    0 0( , )M x y ( )mC 0 0 0 0( , ) ( ) ( , ) (1)mM x y C y f x m

    0( , ) ( )f x m F m (1) 0 ( )y F m '( ) 0F m

    '( ) 0F m

    ( )mC

    ( )mC 0 0( , )M x y 0 0( , )M x y

    ( )mC 0 0( , )y f x m

    0 0( , )M x y

    0 0( , )y f x m 0 (1)Am B 2 0 (2)Am Bm C

    (1) (2).....

  • 015 58 11 33 61

    2: ( ) 1 2 3 1 5 2mC y f x m x m x m

    mC m

    0 0, mA x y C

    20 0 01 2 3 1 5 2y m x m x m

    2 2

    0 0 0 0 0

    2 2

    0 0 0 0 0

    2 2 3 5

    2 3 5 2 0

    y x x x x m

    x x m y x x

    2

    0 00 0

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    22

    2

    x xx x

    y x xy x x

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    0

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    1x 1 , 0A

    52

    x 5 7,2 4

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    : ( ) , 0mm x m m

    C y f x mx m

    0 00 , , mm A x y C

    200

    0

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    x m

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    0(1) :

    0

    A

    B

    0

    (2) : 0

    0

    A

    B

    C

  • 015 58 11 33 62

    2 0 0 0 03 1 1 0 ..... 1m y x m x y

    1 0

    2

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  • 015 58 11 33 63

    -

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    y f xx m

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    (1) (2)..... m (1) (2).....

    0 0( , )M x y

  • 015 58 11 33 64

    . 4: ( )mmx

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    IIX.

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    m x m x y x x

    ( )y f x ( )y f x ( )C M

    M

    ( )

    ( )

    x c cM

    y g m

    CacMnYnefr

  • 015 58 11 33 65

    x c

    ( )

    b)

    y c

    ( )

    2 2

    : ( )1 3

    m

    mx mC y f x

    m x

    I

    mC m

    3 3

    1 .....(1)1

    2.....(2)

    1 2

    dx m

    c m x

    a m yy m

    c m y

    1 & 2

    3

    1 2 3 3 2 32

    22

    3

    yy x xy xy xy y x

    y x

    y x

    I 2

    : 23

    D y x

    0 , 2x y

    M ( )D mM ( )x f m

    ( )

    ( )

    x f m

    y c c

    CacnM nY efr

    M ( ')D m

    M ( )x f m

  • 015 58 11 33 66

    IX.

    ( )

    .

    -

    -

    3 2: ( ) 3 2C y f x x x

    x

    2'( ) 3 6 ''( ) 6 6

    ''( ) 0 6 1 0 1

    f x x x f x x

    f x x x

    ''( ) 0f x 1 , ( 0)x y 1 , 0I

    C

    1 , 0I '(1) 3 6 3f

    1 , 0I 0 0 0'( )y y f x x x

    : 3 3D y x

    ( ) : ( )C y f x

    ( )y f x 0x x

    0 0 0( , )M x y

    0'( ) tank f x

    ( )C 0 0 0( , )M x y 0 ( )M C ( )y f x

    0x ( )C 0 0 0( , )M x y 0 0 0'( )( )y y f x x x

    '( )f x 0'( )f x

    0 0 0'( )( )y y f x x x

  • 015 58 11 33 67

    8

    : ( ) 1C y f x xx

    C

    0 0,A x y C

    C

    28

    '( ) 1 , 0f x xx

    A 1 0 20

    8'( ) 1k f x

    x

    1y x 2 1k

    A 1 2 020

    81 1 1 2k k x

    x

    82 2 1 72

    x y 82 2 1 52

    x y

    1 0'( ) 1k f x

    1 : 5D y x 2 : 3D y x

    .

    a)

    -

    -

    -

    b)

    -

    -

    k

    ( )C 0 0 0( , )M x y k

    0 0( )y y k x x

    0 0 0( , )M x y M 0'( )k f x

    0'( )k f x 0x 0x ( ) : ( )C y f x 0y

    0 0( )y y k x x

    ( )C ( ) :D y kx b

    ( ) : ( )C y f x ( ) :D y kx b ( ) (1)f x kx b

  • 015 58 11 33 68

    -

    2 3 1

    : ( )2

    x xC y f x

    x

    2k

    2x

    2

    1'( ) 1

    2f x

    x

    0 0,A x y

    0 2

    0

    1'( ) 1

    2k f x

    x

    2

    0 02

    0

    11 2 2 1 1

    2x x

    x

    0 3x

    0 01

    1 1 1 1 1 , 11 2

    x y A

    0 01

    3 3 1 1 3 , 13 2

    x y B

    1 , 1A 1 : 2( 1) 1 2 1L y x x

    3 , 1B 2 : 2 3 1 2 5L y x x

    2k

    1 2: 2 1 ; : 2 5L y x L y x

    C :D y ax b 2a k

    : 2D y x b

    D C

    ( )C ( )D (1) b

  • 015 58 11 33 69

    2

    2 23 1 2 3 1 2 4 22

    x xx b x x x x bx b

    x

    2 1 2 1 0 .....(1)x b x b

    D C 1 0

    2 2

    22

    1 4 2 1 0 2 1 8 4 0

    6 5 0 3 4 1 ; 5

    b b b b b

    b b b b b

    2k

    1 2: 2 1 ; : 2 5D y x D y x

    .

    a)

    - ,

    -

    -

    b)

    -

    -

    -

    ( ) : ( )C y f x 0 0( , ) ( )M x y C

    ( )C 0 0( , ) ( )M x y C

    ( )D

    1 1( , )N x y ( )C N

    1 1 1( ) : '( )( ) (1)D y y f x x x 1 1( )f x y

    ( )D 0 0( , )M x y 0 1 1 0 1'( )( ) (2)y y f x x x

    (2) 1 1 1, '( ) , ( )x f x f x (1) ( )D

    k 0 0( , )M x y

    ( )C 0 0( )y y k x x 0 1( ) : ( ) (1)D y k x x y

    ( )D ( ) : ( )C y f x 0 0( ) ( ) (2)f x k x x y

    ( )D ( )C (2)

    k k (1) ( )D

  • 015 58 11 33 70

    -

    -

    C 3( ) 2y f x x x

    C 1 , 1A

    2'( ) 6 1f x x 1 1,B x y

    31 1 12f x x x 2

    1 1' 6 1f x x C B

    1 1 1 1 1 1' 'y y f x x x y f x x x y

    31 1 1 1: ' 2D y f x x x x x D 1 , 1A

    1 , 1A D

    3

    1 1 1 1

    2 3

    1 1 1 1

    2 3 3

    1 1 1 1 1

    3 2

    1 1

    23 2

    1 1 1 1

    1 1

    1 , 1 1 ' 1 2

    1 6 1 1 2

    1 6 6 1 2

    4 6 2 0

    2 3 1 0 2 1 1 0

    1; 1

    2

    A D f x x x x

    x x x x

    x x x x x

    x x

    x x x x

    x x

    1 11 1x f x A

    C 1 , 1A

    1( ) : ( )C y f x 2( ) : ( )C y g x 0 0( , )M x y

    0 0'( ) '( )f x g x

    1( ) : ( )C y f x 2( ) : ( )C y g x 0 0( , )M x y

    0 0'( ) '( ) 1f x g x

  • 015 58 11 33 71

    1 11 1

    2 4x f x 1

    1'

    2f x

    1 1 1 1: 1

    2 2 4 2D y x x

    C 1 , 1A 1

    : 12

    D y x

    3 2( ) 3 4y f x x x C

    C 1 , 0A

    k 1 , 0A

    : 1D y k x

    3 2 3 2

    2

    2

    3 4 1 1 3 3 1 0

    1 4 4 0

    1

    2 0 ....(1)

    x x k x x x k x

    x x x k

    x

    x k

    D C 1 1x

    2

    1 1 2 0 9x k k

    : 9 1D y x

    ' 4 4 0 0o k k

    1 : 0D y ()

    .22

    ( )1

    x mx my f x

    x

    C m

    0 , 1A

    ) C

  • 015 58 11 33 72

    ) C

    ) C

    ) C

    .2 1

    ( )1

    x xy f x

    x

    C

    ) C 1 , 1I

    ) C C

    ) C

    y x

    .

    -

    -

    1( )1

    xy f x

    x

    C

    : 1D y mx m

    m ( )D ( )C

    ( )C ( )D ( ) 0g x

    ( )D ( )C ( ) 0g x

    1 2x x ( ) 0a g

  • 015 58 11 33 73

    2

    11 1 1 1

    1

    ( ) 2 0 .....(1)

    xmx x x mx

    x

    g x mx mx

    1

    1 21 (1) 0 2 0 0x x a g m m m m

    .

    -

    -

    1( )1

    xy f x

    x

    C

    : 1D y mx m

    2

    11 1 1 1

    1

    ( ) 2 0 .....(1)

    xmx x x mx

    x

    g x mx mx

    1

    2

    1 2

    0 8 01 8

    (1) 0 0

    m mx x m

    a g m

    m ( )D ( )C

    ( )C ( )D ( ) 0g x

    ( )D ( )C ( ) 0g x

    1 2x x 1 20

    ( ) 0x x

    a g

  • 015 58 11 33 74

    .

    .

    - -

    - -

    .

    -

    1( ) 1

    2y f x x

    x

    {2}D

    22

    111'( ) 1 0 ;( 2)2

    f x x Dxx

    ( )f x

    1lim ( ) lim 12x x

    f x xx

    1lim ( ) lim 12x x

    f x xx

  • 015 58 11 33 75

    ( )

    ( )

    2 2

    1lim ( ) lim 12x x

    f x xx 2 0

    1 1lim lim

    2x ux u

    2 2

    1lim ( ) lim 12x x

    f x xx 2 0

    1 1lim lim

    2x tx t

    2x

    1lim lim 0( )

    2x xf x y

    x

    1y x

    ( ' )y oy1

    02

    x y

    ( ' )x ox 23 5

    0 3 1 02

    y x x x

  • 015 58 11 33 76

    2 5 6

    1( ) 1

    x x

    xy f x x e

    {1}fD

    2 2 225 6 5 6 5 6

    1 1 12

    2 1 1 2'( ) 1

    11

    x x x x x x

    x x xx x x x

    f x e x e exx

    '( ) 0 1 2 0 1 , 2f x x x x x

    ( 61 ( 1) 2x f e 02 (2) 1x f e )

    2 5 6 2

    41 1

    1 1 1

    lim ( ) lim 1 lim 1

    x x

    xx x

    x x x

    f x x e x e e

    2 2

    4 31 1

    1 1 1

    lim lim 1 lim 1x x xx x x

    e x e e x e

  • 015 58 11 33 77

    2 211

    k xx k

    1x k

    2

    1

    1

    2 1lim 1 lim 2 lim 0kx

    kk kx

    x e ek k e

    1

    lim ( ) 0x

    f x

    2 5 6 2

    31 1

    1 1 1

    lim ( ) lim 1 lim 1

    x x

    x x

    x x x

    f x x e e x e

    2 211

    k xx k

    1x k

    2

    1

    1

    2lim 1 lim 2 lim

    kkx

    k kx

    ex e e

    k k

    1

    lim ( )x

    f x

    1x

    2 5 6

    1lim ( ) lim 1 lim

    x x

    xx

    x x xf x x e xe

    k x x k

    lim lim lim 0x k kx k kk

    xe kee

    lim ( ) 0x

    f x

    2 5 6

    1lim ( ) lim 1 lim

    x x

    xx

    x x xf x x e x e

  • 015 58 11 33 78

    60x y e

    ln( ) xy f x xx

    0 ,fD

    2

    2 2

    1 ln 1 ln'( ) 1

    x x xf x

    x x

    2 0 , fx x D

    '( )f x 2( ) 1 lng x x x

    21 2 1

    '( ) 2x

    g x xx x

    0 , fx x D

    2 2'( ) 0 2 1 02

    g x x x

  • 015 58 11 33 79

    ( ) 0 , fg x x D '( ) 0 , ff x x D

    0 0

    lnlim ( ) lim 0x x

    xf x x

    x

    2ln ln

    lim ( ) lim lim 1 1x x x

    x xf x x x

    x x

    ) 2 2 4

    ( )1

    x xy f x

    x

    )

    2

    2

    1( )

    2 5 2

    xy f x

    x x

    ) 2 3 3

    ( )2

    x xy f x

    x

    ) 3( ) ln

    2

    xy f x

    x

    ) 1( )1

    x

    x

    ey f x

    e

    ) 2 1( ) ln

    2y f x x x

  • 015 58 11 33 80

    I. .

    .

    3( ) 3 7F x x x 2( ) 9 7,f x x x

    2( ) '( ) 9 7f x F x x

    C

    2( ) 3 5f x x x

    2 3 21 3( ) ( ) 3 5 53 2

    F x f x dx x x dx x x x C

    3 21 3( ) 53 2

    F x x x x C

    ( )F x ( )f x '( ) ( )F x f x x f

    ( )F x ( )f x ( )f x

    ( )F x C C

    ( )F x ( )f x

    ( )F x ( )f x

    ( )F x ( )f x

    ( ) ( )f x dx F x C

    ( )F x

    ( )F x ( )f x , '( ) ( ) , ( , )a b F x f x x a b

    ( )F x ( )f x'( ) ( ) , ( , )

    [ , )'( ) ( )

    F x f x x a ba b

    F a f a

    ( )F x ( )f x'( ) ( ) , ( , )

    ( , ]'( ) ( )

    F x f x x a ba b

    F b f b

  • 015 58 11 33 81

    +

    +

    ( )F x ( ) xf x x e (1) 1F e

    21( ) ( )2

    x xF x f x dx x e dx x e C

    1 1(1) 1 12 2

    F e e C e C

    21 1( )2 2

    xF x x e

    II.

    .

    .

    ). ). ).

    ).

    ( )F x ( )f x

    '( ) ( ) , ( , )

    [ , ] '( ) ( )

    '( ) ( )

    F x f x x a b

    a b F a f a

    F b f b

    ( ) ( ) ( ) ( )'( ) lim , '( ) lim ,

    x a x b

    F x F a F x F bF a x a F b x b

    x a x b

    ngi

    f C

    C

    ( )F x ( )f x ( )f x

    ( ) ( )f x dx F x C C

    ( ) ( )d f x dx f xdx

    ( ) ( )f x dx F x C ( ) ( )d f x dx f x dx

    ( ) ( ) ( ) ( )f x g x dx f x dx g x dx

  • 015 58 11 33 82

    ).

    ( )f x 3 21 1( ) 33 4

    f x dx x x x C

    2 21 1( ) 3 2 3 33 4 2

    xf x x x x

    2( ) 32

    xf x x

    ( )f x

    3 2) ( ) 2a f x dx x x x c

    2( ) 3 4 1f x x x

    2( ) 3 4 1f x x x

    2) ( ) 2 3 5b f x dx x x c

    2 2

    2 3 2 3( ) 2

    2 3 5 3 5

    x xf x

    x x x x

    2

    2 3( )

    3 5

    xf x

    x x

    1 1

    ( ) ( ) ,n n

    i i i i

    i i

    k f x dx k f x dx k

    ( )f x ( )f x dx ( ) ( )d

    f x dx f xdx

    ( ) ( ) '( ) ( )f x dx F x C F x f x

    ( ) ( ) '( ) ( )f x dx F x C F x f x

    ( ) ( ) '( ) ( )f x dx F x C F x f x

    ( ) ( ) '( ) ( )f x dx F x C F x f x

  • 015 58 11 33 83

    .

  • 015 58 11 33 84

    .

    .

    +

    +

    +

    21x x dx

    2 2 211 1 12

    x x dx x d x

    2 21 2 2t x tdt xdx xdx tdt

    ( )t f x '( )dt f x dx ( )f x t

    '( )f x dx dt t ( )f x

    x

    ( )I f x dx

    ( ) [ ( )] '( )f x dx g h x h x dx

    ( ) '( )u h x du h x dx

    ( ) ( ) ( )I g u du G u C F x C

  • 015 58 11 33 85

    32 2 3 21 11 13 3

    x x dx t tdt t dt t C x C

    32 211 13

    x x dx x C

    +

    +

    .

    xxe dx

    u x du dx x x xdv e dx v e dx e

    x x x x xxe dx udv uv vdu xe e dx xe e C

    1x xxe dx e x C

    ( )I f x dx

    ( ) '( )x h t dx h t dt

    [ ( )] '( ) ( ) ( ) ( )I f h t h t dt g t dt G t C F x C

    ( ) '( ) ( ) ( ) ( ) '( )f x g x dx f x g x g x f x dx

    udv uv vdu ( ) '( )u f x du f x dx '( ) ( )dv g x dx v g x

    ( )I f x dx

    ( )f x dx udv u v

    ( ) ,' x dx v dvdu u

    udv uv vdu

  • 015 58 11 33 86

    .

    a).

    +

    ( ) ( ) ( )sin cos axx x xI P axdx P axdx P e dx ( )xPa

    ( ) ( ) ( )

    sin cos '( ) sin cosax ax

    u P x f x P x

    dv axdx axdx e dx g x ax ax e

    rW

    rW

    ( ) ( )log ln( )x xI P xdx P ax b dx ( )xP

    ( ) ( )'( )x xdv P dx g x P rW

    log ln( ) ( ) log ln( )u x ax b f x x ax b rW

    sin cosax axI e axdx e axdx

    ( )ax axu e f x e rW sin cos '( ) sin cosdv axdx axdx g x ax ax rW

    1

    1

    1

    sin

    cos( )

    tan

    .............

    x

    xI P x dx

    x

    1 1

    1 1

    1 1

    sin sin

    cos cos( )

    tan tan

    ............. .............

    x x

    x xu f x

    x x

    rW ( ) ( )'( )x xdv P dx g x P rW

    sin cos ; sin sin ; cos cosax bxdx ax bxdx ax bxdx

    1

    sin sin cos( ) cos( )2

    a b a b a b

  • 015 58 11 33 87

    +

    +

    sin3 sin5x xdx

    1 1 sin 2 sin8sin5 sin3 cos 2 cos82 2 2 8

    x xx xdx x x dx C

    cos5 cos3x xdx

    1 1 sin8 sin 2cos5 cos3 cos8 cos 22 2 8 2

    x xx xdx x x dx C

    sin 2 cos3x xdx

    1 1 cos5sin 2 cos3 sin5 sin cos2 2 10

    xx xdx x x dx x C

    b).

    -

    ( )

    3 2sin cosx x dx

    cos sint x dt xdx

    3 5

    3 2 2 2 2 2sin cos 1 cos cos sin 13 5

    t tx xdx x x xdx t t dt C

    5 3

    3 2 cos cossin cos5 3

    x xx xdx C

    -

    1

    cos cos cos( ) cos( )2

    a b a b a b

    1

    sin cos sin( ) sin( )2

    a b a b a b

    sin cosm nx xdx

    m n m cost x n

    sint x cos , sinu x u x

    m n 21 cos2

    sin2

    xx

    2

    1 cos2cos

    2

    xx

    1sin cos sin 2

    2x x x

  • 015 58 11 33 88

    -

    c).

    - ( )

    - ( ) ( )

    d).

    e).

    .

    (

    )

    m n cos , sint x t x

    m n 2 2sin cos 1x x

    m n 21 cos2

    cos2

    xx

    2

    1 cos2sin

    2

    xx

    tan , cotn nxdx xdx tant x cott x

    sin , cosR x x dx

    2

    2tan

    2 1

    xt dx dt

    t

    22

    sin1

    ta

    t

    2

    2

    1cos

    1

    ta

    t

    2

    2 2 2

    2 1 2sin , cos ,

    1 1 1

    t tR x x dx R dt

    t t t

    ( )

    ( )

    x

    x

    Rdx

    S

    ( )

    ( )( )

    x

    x

    Rf x

    S ( ) ( ),x xR S ( )xR

    ( )xS ( )xR ( )xS( )

    ( )( )

    ( )x

    xx

    Pf x W

    S ( )xS

    ( )xP ( )xP ( )xW

    ( ) ( )( )

    ( ) ( )

    x P xx

    x x

    Rdx W dx dx

    S S

    22 2

    1 1 1

    4

    2 4

    I dx dxax bx c a b ac b

    xa a

  • 015 58 11 33 89

    +

    +

    +

    ;

    2

    1

    3 4dx

    x x

    2

    1 1 1 1 1ln ln

    3 4 4 5 49 16

    x xdx C C

    x x x x

    2 4 0b ac 2

    bu x

    a

    22 4 0

    4

    ac bk

    a

    1

    2 2 2

    1 1 1 1tan

    uI dx dx C

    ax bx c a u k ak k

    21

    2 2

    4 2 2tan

    2 4 4

    ac b ax bk I C

    a ac b ac b

    2 4 0b ac 2

    bu x

    a

    22 2

    1 1 1 1 1 1 2

    2

    2

    I dx dx du C Cax bx c a a u au ax bb

    xa

    2 4 0b ac 2ax bx c

    12

    bx

    a

    2

    2

    bx

    a

    1 2x x

    a

    2

    1 2( )( )ax bx c a x x x x

    2

    1 2 1 2 1 2

    1 1 1 1 1 1

    ( )( ) ( )I dx dx dx

    ax bx c a x x x x a x x x x x x

    1

    1 2 2

    1ln

    ( )

    x xI C

    a x x x x

    1 2x x

    a

    1

    22

    1ln

    4

    x xI C

    x xb ac

  • 015 58 11 33 90

    2

    Ax B M N

    ax bx c x p x q

    2

    5 13

    5 6

    xdx

    x x

    2

    5 13

    5 6 3 2

    x a b

    x x x x

    5 13 2 3 5 13 2 3x a x b x x a b x a b

    5 22 3 13 3

    a b a

    a b b

    2

    5 132 3 2ln 3 3ln 2

    5 6 3 2

    x dx dxdx x x C

    x x x x

    2

    5 132ln 3 3ln 2

    5 6

    xdx x x C

    x x

    ( )

    24 2

    1 2 3

    x xdx

    x x x

    24 2

    1 2 3 1 2 3

    x x L M N

    x x x x x x

    24 2 2 3 1 3 1 2x x L x x M x x N x x

    1x 16 32

    L L

    2

    Ax BI dx

    ax bx c

    2

    ( )( )( )

    Ax Bx CI dx

    x x x

    2

    ( )( )( )

    Ax Bx C L M N

    x x x x x x

    , ,L M N

  • 015 58 11 33 91

    2x 415 125

    M M

    3x 3710 3710

    N N

    24 2 1 4 37ln 1 ln 2 ln 3

    1 2 3 2 5 10

    x xdx x x x C

    x x x

    ( )

    2

    3

    1

    1 3

    xdx

    x x

    2

    3 2 3

    1

    1 31 3 1 1

    x L M N P

    x xx x x x

    2 32 1 1 3 1 3 3 1x L x x M x x N x P x

    2 3 21 3 2 5 3 3 3 3x L P x L M P x M L N P x L M N p

    1x 14 22

    N N 3x 1064 1064

    P P

    3 2,x x

    10

    0 64

    3 1 63 1

    16

    L PL P

    L M PM P L

    2

    3 2 3

    1 10 1 6 1 1 1 10 1

    64 1 16 2 64 31 3 1 1

    xdx dx dx dx dx

    x xx x x x

    2

    3( ) ( )

    Ax BI dx

    x x

    2

    3 2 3( ) ( ) ( ) ( )

    Ax B L M N P

    x x x x x x

    , , ,L M N P

  • 015 58 11 33 92

    2

    10 6 1 10ln 1 ln 3

    64 16 1 644 1x x C

    x x

    2

    5 1 1 3ln

    32 3 8 1

    x xC

    x x

    2

    3 2

    1 5 1 1 3ln

    32 31 3 8 1

    x x xdx C

    xx x x

    ( )

    )

    2

    22

    2 2 13

    2 1

    x xA dx

    x x

    )

    2

    221 4

    xB dx

    x x

    )

    2

    22

    2 2 13

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  • 015 58 11 33 93

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  • 015 58 11 33 94

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  • 015 58 11 33 95

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  • 015 58 11 33 96

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  • 015 58 11 33 97

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  • 015 58 11 33 98

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  • 015 58 11 33 99

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