Comment Re:Double tassel ... (Score 1) 216
I once asked a prof how I was supposed to know which integration formula/identify I was supposed to be using. He basically said "after a while you just know which ones". Because, apparently, there are no teachable rules for this, just hand waving guidelines which are supposed to make sense at some point.
Well, yes. Integrating an unfamiliar type of equation is one of the tougher things to do in math--in fact, most of the time it's not possible to integrate a comoplex equation symbolically, which is why we do numerical integrations.