1. Evaluate .
I know , . So . I use substitution, letting , then I get . Is this okay? I don't know how else to do this...
2. Let . Evaluate , where (i) , (ii) [tex] , (3) .
Can I get some help with this?
Residue theorem - Wikipedia, the free encyclopedia
You don't need it for this problem, but it's an extremely useful theorem.
I'm pretty sure your answer is correct.