(完整版)求导数练习题
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1、 求下列函数的导数
(1)2
32y x =+, 则y '=_______________ 6x (2)2
211x y x x
-=++, 则y '=_______________ 22241(1)x x x x ---++ (3)n y x nx =+, 则y '=_______________ 1(1)n n x
-+
(4)x m y
m x =++ ,则y '=_______________ 21m m x - (5)33log y x x = ,则y '=_______________ 2
2
33log ln 3x x x + (6)cos x y e x = ,则y '=_______________ (cos sin )x
e x x -
(7)23(1)(31)(1)y x x x =+-- ,则y '=_________5432185121223x x x x x -+---+ (8)tan x y x
= ,则y '=_______________ 22sec tan x x x x - (9)1cos x y x
=- ,则y '=_______________ 21cos sin (1cos )x x x x --- (10)1ln 1ln x y x
+=- ,则y '=_______________ 22(1ln )x x - (11)2
1sin cos x y x x
+=+ ,则y '=___________222(sin cos )(1)(cos sin )(sin cos )x x x x x x x x +-+-+
2、求下列复合函数的导数
(1)y = ,则y '=_______________ 2
(2)23(1)y x =- ,则y '=_______________ 226(1)x x -
(3)2
31()1x y x
+=- ,则y '=_______________ 2224(1)(12)3(1)x x x x ++-⋅- (4)ln(ln )y x = ,则y '=_______________ 1ln x x
(5)ln(sin )y x = ,则y '=_______________ cot x
(6)2lg(1)y x x =++ ,则y '=_______________ 22111ln10
x x x +⋅++
(7)ln(y x = ,则y '=_______________
(8)
y =,则y '= (9)3(sin cos )y x x =+ ,则y '=_______________ 3cos 2(sin cos )x x x +
(10)3cos 4y x = ,则y '=_______________ 6cos4sin8x x -
(11)y = ,则y '=_______________
(12)23
(sin )y x = ,则y '=_______________ 2226sin cos x x x (13)1x y e += ,则y '=_______________ 1x e +
(14)sin 2
x y = ,则y '=_______________ sin ln 22cos x x ⋅ (15) sin 2x e
x -,则y '=_______________ (2cos 2sin 2)x e x x --