题目
已知 f(x)在 [1, 4] 可导, f(4)= 1, int_(0)^4 xf'(x), dx = 3,则 int_(0)^4 f(x), dx = ()A. -1B. 0C. 1D. 3
已知 f(x)在 [1, 4]\ \ 可导, f(4)= 1, $\int_{0}^{4}\ \ xf'(x)\, dx = 3$,则 $\int_{0}^{4}\ \ f(x)\, dx = ()$
A. -1
B. 0
C. 1
D. 3
题目解答
答案
C. 1
A. -1
B. 0
C. 1
D. 3