题目
曲线L是y=sqrt(2x-x^2)从O(0,0)到A(2,0)的有向线段,则int_(L)2ydx-(x+1)dy=()A. -1.5piB. 0C. 1.5piD. pi
曲线L是$y=\sqrt{2x-x^2}$从O(0,0)到A(2,0)的有向线段,则$\int_{L}2ydx-(x+1)dy=$()
A. $-1.5\pi$
B. $0$
C. $1.5\pi$
D. $\pi$
题目解答
答案
C. $1.5\pi$
A. $-1.5\pi$
B. $0$
C. $1.5\pi$
D. $\pi$