http://s3.amazonaws.com/answer-board...7187502049.gif

Need help with this.

- April 28th 2010, 06:22 PMasdf122345Convert an integral from Cartesian to Polar coordinates and evaluate it.
http://s3.amazonaws.com/answer-board...7187502049.gif

Need help with this. - April 29th 2010, 09:58 AMAmer
Attachment 16611

lets convert the boundaries

r changes from 0 to

and theta from 0 to pi/2 the first quarter so

becomes

- April 29th 2010, 04:12 PMasdf122345
Is it possible to integrate where you left off? I can't figure out how to integrate that. Or does it get messy from integrating from that.

- April 29th 2010, 11:07 PMAmer

first integral convert

second one sub

can you continue ? - April 30th 2010, 11:46 AMasdf122345
Yea I got it from here. Thanks

- April 30th 2010, 02:13 PMasdf122345
I got 4 pi as the answer. Is that correct? Something seems wrong.

- April 30th 2010, 02:19 PMshenanigans87
The answer is

So you may have just made a small error by a factor of 2.