设f(x,y)连续,且f(x,y)=xy+f(x,y)dσ,其中D由y=0,y=x2及x=1围成,则f(x,y)=_______.

admin2019-07-17  22

问题 设f(x,y)连续,且f(x,y)=xy+f(x,y)dσ,其中D由y=0,y=x2及x=1围成,则f(x,y)=_______.

选项

答案[*]

解析f(x,y)dσ=k,则f(x,y)=xy+k,两边在D上积分得
转载请注明原文地址:https://jikaoti.com/ti/AHERFFFM
0

最新回复(0)