Evaluate $\iiint _ { E } z ^ { 2 } d V$

Short Answer

Evaluate $\iiint _ { E } z ^ { 2 } d V$ , where E is the solid bounded by the ellipsoid $\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 25 } + z ^ { 2 } = 1$ .