no, it was to find the time averaged power inside a box produced by light bulb in the center.
This is a by product of assuming spherical wave propagation from the center of the box.
\int^{1.5}_{0}\int^{1.5}_{0}\int^{1.5}_{0}\frac{1}{x^2+y^2+z^2}dxdydz
I tried converting this to spherical and only integrating over a quarter of the octant but with no luck.
Can someone please point me in the right direction.
Thanks!