若 int f(x^3)dx = x^3 + c,则 f(x)= ___。A. $x + c$B. $\frac{9}{5}x^{\frac{5}{3}} +
dfrac (1)(3)f(x) C. -3f(x) D. -dfrac (1)(3)f(x)
[题目]-|||-若 int f(x)dx=F(x)+C, 则 int f(2x-3)dx= __ .
[题目]-|||-设 ((x)_(0))=3 则 lim _(xarrow 0)dfrac (f({x)_(0)+x)-f((x)_(0)-3x)}(x)= _
【题目】若 f(x) 为连续函数,则∫f(2x)dx=()(A)f(2x)+C(B)f(x)+C(c) 1/2f(2x)+C(D)2f(2x)+C【题目】若 f
没f`(x)存在,且 lim _(xarrow 0)dfrac (f(1)-f(1-x))(3x)=1, 则 (1)=..
[例26]已知 (dfrac (x+1)(x-1))=2f(x)-3x, 则 f(x)= __
(1)下列等式中正确的是-|||-()-|||-(A) int f(x)dx=f(x) (B) int df(x)=f(x)-|||-(C) dfrac (d)
3.[单选题]已知f(x)是连续的偶函数且-|||-(int )_(0)^3f(x)dx=2 ,则 (int )_(-3)^3f(x)dx= ()-|||-A
[试题]设f(x)=3x,g(x)=x2,则函数g[f(x)]-f[g(x)]=_______________.