- #1

Diracobama2181

- 75

- 2

I know the answer I should get is $$dV=\frac{1}{2}k^{2}dk$$.

What I currently have is $$dxdydz=dV$$ and $$k=x+y+z. But from that point on, I'm stuck. Any hints or reference material would be greatly appreciated. Thank you.