(x)=dfrac (1)(3)(x)^3-(x)^2-8x+1的单调增加区间是( )(x)=dfrac (1)(3)(x)^3-(x)^2-8x+1(x)=dfrac (1)(3)(x)^3-(x)^2-8x+1(x)=dfrac (1)(3)(x)^3-(x)^2-8x+1(x)=dfrac (1)(3)(x)^3-(x)^2-8x+1

(4) (x)=(x)^3-(x)^2-x+1 满足 () .-|||-(A)在 (-infty ,-dfrac (1)(3)] 内单调递增 (B)在 [ d

函数(x)=dfrac (1)(3)(x)^3+dfrac (1)(2)(x)^2的单调递增区间是( )A．(x)=dfrac (1)(3)(x)^

设x是非零实数,则 ^3+dfrac (1)({x)^3}=18-|||-__-|||-(1) +dfrac (1)(x)=3-|||-(2) ^2+dfrac

2.求下列函数的导数:-|||-(1) =(x)^3+dfrac (7)({x)^4}-dfrac (2)(x)+12 ;-|||-(2) =5(x)^3-(2

【题目】-|||-函数 (x)=dfrac (1)(3)(x)^3-(x)^2-3x+3 的极小值为f( __ )= __

已知实数x满足(x)^2+dfrac (1)({x)^2}-3x-dfrac (3)(x)+2=0，求(x)^3+dfrac (1)({x)^3}的值.已知实数

已知函数 (x)=-dfrac (1)(2)(x)^2+3x-2ln x，则函数 (x)=-dfrac (1)(2)(x)^2+3x-2ln x的单调递

^3-(x)^2-x+1=_____._____.

(B) dfrac (1)(2)(X)_(1)+dfrac (1)(2)(X)_(2)-|||-(C) dfrac (1)(2)(X)_(1)+dfrac (1

设dfrac(x)({x)^2 -3x+1} =1，求dfrac({x)^3}({x)^6-27(x)^3+1}的值.设$\dfrac{x}{{x}^{2} -