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《高等数学》试题库

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(10)lim?1?2x?x (11)limx?01xln(1?x)x?0 (12)lim(x??22x?32x?1)

x)x?1

(13)lim(1?3tanx)x?02cotx (14)lim(cosx)x?01/x (15)lim(x??x?3x?1(16)lim(x?03x?32)x (17)limn(ln(n?2)?lnn)

n???2x?1??x?1?x1?3x (18))lim?? (20)lim? (19)lim?x?0x??1?xx??2x?1????11?xxxx(21)lim(1?cosx)x?3secx? (22)lim(1?2sinx)x (23)lim(1?4x)x?0x?0

2

(四)利用罗必达法则求极限 (1)limx?27x?3e?ex2x?x3x?3 (2) limln?1?x?xx?0 (3)limx?sinxxlnxx23x?0

(4)limx?0 (5)limxe2xx??? (6)limx???

(7)limx?2x?12x?52x?? (8)limx?tg3xtgx?2 (9)lim?x?1?1?x?1x?1?? lnx??1?x?(10)limxe?1? (11)lim??x??x?1??5x?4?x?1x?x?2x?3x?222x (12)lime?1xe2x

x?0(13)lim(3?9)x???xx1/x (14)limx?2 (15)lim?e?2x?2x?01?cosx

(16)limsin5xxlnx??x?0x?0 (17)limx?0?ctgx1x2 (18)lim(1?sinx)x

1(19)limxx?0?sinx (20)lim(x?0?1e?11x) (21) limxmn?amnx?ax?aa?bx

(22) limx?sinxtanx3x?0 (23) lim(x?01xx?e?12x) (24) limx?0ln(1?x)

(25) limx(x?1?x) (26) lim2x??2x?3x?1x?x?x?1323x?1

三、求导数或微分

(一)利用导数的基本运算公式和运算法则求导数 (1)y?x4?x?1 (2)y??x?1x?1?1?32?2x?x?2x ?x???(3)y? (4)y?xlnx?sinx?cosx

x?1(5)y?3x2?2x?5 (6)y??1

(7)y?x3?x?3?33 (9)y?x2lnx (11)y?sinx1?cosx (13)y?xcosx?sinx (15)y?xa?ax?aa?a为常数? (17)y?2x3sinx (19) y?(3?2x)(2?3x) x2(21)

y?ex2?x

(二)求复合函数的导数

(1)y?sinx2 (3)y?1?x2 (5)y?ln?a2?x2? (7)y?ln?1?x2? (9)y?cos?3x?5? (11)y?e2x?1 (13)y?arctgx2 (15)y?x2sinx2 x2(8)y??x?1??x?2?

x2(10)y??1x2?1

12)y?cosx1?sinx

14)y?xtgx?ctgx 16)y?2xlnx

(18) y?3tanx?4 y?lnx(20) x?1lnx

y?1?sint(22)

1?cost

(2)y?lncosx (4)y?lntgx2

(6)y?arcsin1x

(8)y?sinlnx

(10)y?tg1x

(12)y??2x?5?10

(14)y?arcsinx3

(16)y?e?xcosx

( (( (17)y?sinx2?sin32x (18)y?lntg3x

(19)y??ln2x? (20)y?12x?14?x?1x2

(21)y?cosx?ln (22)y?2

(23)y?cosx?sin3x (24)y?2(25)y?3?2x (26)y?e23sin1x3?xx

2x

a?x)

1x

22(27)y?arcsin(29)y?lncose(31)y?e(33)y?x?x2x (28)y?ln(x??x2 (30)

y?arctancos2x (32)y?sinnxcosnx

22?ln2x

(三)求由方程F(x,y)=0所确定的隐函数y=f(x)的导数 (1)y2?2x2?1 (2)y?xlny (3)y?1?xey (4)cos?xy??x (5)

x?y?a?0 (6)x?y?xy?1

22(7)y?x?lny (8)x?arctgy?y (9)x3?lny?x2ey?0 (10)xy?3y?18x?6

2(11)sin(xy)?lnx?1y=1 (12)xy?ex?y

(13) x?xy?arctan(xy) (14)x?y?a?0(a为常数)

(四)利用取对数求导法求下列函数的导数 (1)y?233?x?1??x?2? (2)y?x?3??x?4?1x??x?1??x?2?2?x?3?3

(3)y?x (4)y?x21?x?3?x3?x

(5)y?x?1?x1?x

(五)求下列函数的二阶导数

(1)y?x4?2x3?4x2?1 (2)y?x2lnx (3)y?ex (4)y?sin1

(5)y?ln?x2?1? (7)y?exsinx (9)f?x??xex2 (11)y?arctanx (13)y?ln(x?1?x2)

(六)求下列函数的微分

(1)y?6x5 (3)y?lnx2 (5)y?arccosx (7)y?tg2x (9)y?arctgx2 (11)y?(x?1)(11) x?(13)f(x)?2xcosx?ln1?x1?x (15)y?esin(3x?1) (17)cos(x2?y)?x (19)y?x2e2x (21)y?ln1?x2 (23)y2?x?arccosy

x6)y?e?xcosx 8)y?cosex?sinex 10)y?x1?x2 (12)y?sin2(1?2x)

(14)y?(1?x2)arctanx2)y?x2?1

4)y?sinx1?x2

6)y?e?xcosx

8)y?arctgex

10)y??x?1?2?x?2?3

12)y?x?exsinx

14)cos(x?y)?ey?1

(16)y?ecos2x

(18)y=2sinx

(20)y?exsin2x

(22)y?1?xey ( ( ( ( ( ( ( ( ( (

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