题目
267 累次积分 int_(-(pi)/(2))^(pi)/(2)dxint_(0)^sin x(x^2+ycosx)sqrt(1-y^2)dy=A. (2)/(3)-(pi)/(4)B. (2)/(3)+(pi)/(4)C. (2)/(3)+(pi)/(8)D. (2)/(3)-(pi)/(8)
267 累次积分 $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}}dx\int_{0}^{\sin x}(x^{2}+ycosx)\sqrt{1-y^{2}}dy=$
A. $\frac{2}{3}-\frac{\pi}{4}$
B. $\frac{2}{3}+\frac{\pi}{4}$
C. $\frac{2}{3}+\frac{\pi}{8}$
D. $\frac{2}{3}-\frac{\pi}{8}$
题目解答
答案
D. $\frac{2}{3}-\frac{\pi}{8}$