设f(x)=x(x+1)(x+2)(x+3),则f’(0)=() .A.6B.3C.2D.0
设f(x)=x(x+1)(x+2)(x+3),则f’(0)=() .
A.6
B.3
C.2
D.0
参考答案和解析
B 解析:f(x)的一个原函数为x3,所以∫f(x)dx=x3+C,于是∫xf(1-x2)dx=答案选B。
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