设D={(x,y)|x2+y2≤2x,x2+y2≤2y},函数f(x,y)在D上连续,则f(x,y)dxdy=

admin2015-04-07  20

问题 设D={(x,y)|x2+y2≤2x,x2+y2≤2y},函数f(x,y)在D上连续,则f(x,y)dxdy=

选项 A、f(rcosθ,rsinθ)rdr,十f(rcosθ,rsinθ)rdr.
B、f(rcosθ,rsinθ)rdr+f(rcosθ,rsinθ)rdr·
C、2f(x,y)dy
D、2f(x,y)dy

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/PGU4777K
0

相关试题推荐
最新回复(0)