Also after being stumped for days, I am pretty sure that the way the law of cosines is layed out... that cosθ is equivelent to Adjasent / Hyp = b/r which would simplify the entire denominator to a simple r^{2} - b^{2}
This look at all correct? I have added a picture so you can see the layout
I hope I am posting this in the correct area. This is not specificly a homework question, but something that keeps stumping me on numerous Electrostatic problems.
When attempting to Intigrate for finding the electric field or potential, I frequently end up with an integral over the form ∫∫∫...