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January 28, 2015

January 28, 2015

Posted by **Joshua** on Thursday, October 16, 2008 at 10:23am.

I don't have any question specifically but I'm very confused on this.

In integration to find area under/above a curve, when do you integrate:

1) with respect to y

2) with respect to x

3) using x coordinates

4) using y coordinates

Thanks for your help! :)

- Math Calculus -
**bobpursley**, Thursday, October 16, 2008 at 10:27amLook at the piecemeal unit of dArea you are integrating. Is is some y dx or xdy? It is those little differential areas you are integrating.

Here is a x dy dArea.

http://education.yahoo.com/homework_help/math_help/solutionimages/minicalcgt/6/1/1/minicalcgt_6_1_1_3_50/f-413-21.gif

- Math Calculus -
**Joshua**, Thursday, October 16, 2008 at 10:35amThanks ^^

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