Question

This is the right one

Answer 1

\[\int\limits_{-a}^{a}\int\limits_{-\sqrt{a ^{2}-y ^{2}}}^{\sqrt{a ^{2}-y ^{2}}}\int\limits_{-\sqrt{a ^{2}-x ^{2}-y ^{2}}}^{\sqrt{a ^{2}-x ^{2}-y ^{2}}}(x ^{2}z+y ^{2}z+z ^{3}) dzdxdy\]

Answer 2

I think we should do spherical

Answer 3

Holy....