My class is learning integration by substitution and integration by parts right now, and I'm having a lot of trouble with them.
Right now, I need to find the antiderivative of .
I've tried letting and , but I don't know if that's correct, because now I'm stuck at a weird place where I have to find the antiderivative of , and I don't think we're supposed to have to do that much at this level.
Could anyone please help me out or point me in the right direction? Thank you!