设V为曲面x+y+z=1,x=0,y=0,z=0所界定区域,则∫∫∫(V)1/(1+x+y+z)^3dxdydz
问题描述:
设V为曲面x+y+z=1,x=0,y=0,z=0所界定区域,则∫∫∫(V)1/(1+x+y+z)^3dxdydz
答
设V为曲面x+y+z=1,x=0,y=0,z=0所界定区域,则∫∫∫(V)1/(1+x+y+z)^3dxdydz