设空间闭区域Ω由曲面z=√(1-x2-y2)及z=√x2+y2可围成,则三重积分∫∫∫Ω(x2+y2+z2)dxdydz=()
A.∫02πdθ∫0π/2sinφdφ∫01rdr B.∫02πdθ∫0π/4sinφdφ∫01r4dr C.∫02πdθ∫0π/2sinφdφ∫01r2dr D.∫02πdθ∫0π/4sinφdφ∫01r3dr正确答案B
设空间闭区域Ω由曲面z=√(1-x2-y2)及z=√x2+y2可围成,则三重积分∫∫∫Ω(x2+y2+z2)dxdydz=()
A.∫02πdθ∫0π/2sinφdφ∫01rdr B.∫02πdθ∫0π/4sinφdφ∫01r4dr C.∫02πdθ∫0π/2sinφdφ∫01r2dr D.∫02πdθ∫0π/4sinφdφ∫01r3dr正确答案B