I have ,

= second quadrant of

I changed to polar coordinates:

Do I evaluate the integral like this?

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- Nov 13th 2009, 02:56 AMbillymarea; polar coordinates
I have ,

= second quadrant of

I changed to polar coordinates:

Do I evaluate the integral like this?

- Nov 13th 2009, 03:00 AMjeneverboy
I think your boundaries are correct.

- Nov 13th 2009, 03:57 AMgalactus
Don't forget about that extra r when using polar integration.

- Nov 13th 2009, 06:30 AMbillym
Should the answer be the same as or am I missing the point here?

- Nov 13th 2009, 08:17 AMbillym
Or rather, that is R. Which is basically the upper left portion of a doughnut. But what does the area of integration look like?

- Nov 14th 2009, 02:50 AMbillym
Pardon me for being the village idiot, but could somebody please answer this one question for me:

When sketching the area of integration, do I just sketch , or do I have to consider ? - Nov 14th 2009, 04:51 AMrn443
- Nov 14th 2009, 06:03 AMbillym
yeah I realized that last night. Anyway, I've got the right answer now. Thanks dudes.