cbirk
Nov6-11, 10:39 PM
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 ∫∫∫ r^{2} / ( r^{2} + b^{2} - 2rb cosθ) dr sinθ dθ dΦ
I was wondering if there is some sort of method the integrate this that I seem to be missing. A basic U sub doesn't work, and I can't get Integration by parts to do anything but make it worse. I have never been very good at remembering the trig tricks to integration so I was really hoping someone could help me out here. I am lost, and this is costing me lots of points on homeworks and tests.
Thanks in advance.
When attempting to Intigrate for finding the electric field or potential, I frequently end up with an integral over the form ∫∫∫ r^{2} / ( r^{2} + b^{2} - 2rb cosθ) dr sinθ dθ dΦ
I was wondering if there is some sort of method the integrate this that I seem to be missing. A basic U sub doesn't work, and I can't get Integration by parts to do anything but make it worse. I have never been very good at remembering the trig tricks to integration so I was really hoping someone could help me out here. I am lost, and this is costing me lots of points on homeworks and tests.
Thanks in advance.