Excellent, this is exactly the direction I needed. I can't see the step by step, but seeing the substitution selected makes it so clear that I should've seen that, not to mention my professor. Thanks a ton.
The angles are simply from trig subbing. :wink:
I hadn't actually seen the...
Hi,
I'm trying to prove Gauss's Law by using a cubical surface with a point charge located at its center, and I'm running up against some difficult integration. I've worked through the first integral of the surface integral, but I can't seem to figure out a proper integration technique. Here is...