# Homework Help: Problem with an intergral!

1. Sep 27, 2005

### paul-martin

Solved

sorry that i disturbed you guys with this, of course the problem as always was simpel i jsut missed one little detail, i was at first scared i had missed something in the defintion of integration by parts.

Last edited: Sep 28, 2005
2. Sep 27, 2005

### paul-martin

It can be hard to se the integration variables which is pi and cero. I am using partial integration there.

3. Sep 27, 2005

### paul-martin

It is nothing advanced sen all the sins turn out to be cero.

4. Sep 27, 2005

### Tom Mattson

Staff Emeritus
I don't understand why you dropped the $\Omega$ when proceeding from Step 4 to Step 5.

5. Sep 28, 2005

### paul-martin

http://img388.imageshack.us/img388/4140/integration29jv.jpg [Broken]

Omega=2*pi/T and T= 2pi

Last edited by a moderator: May 2, 2017
6. Sep 28, 2005

### paul-martin

I should mention the answer should be 4/pi