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October 30, 2014

October 30, 2014

Posted by **sonia** on Friday, October 23, 2009 at 12:52am.

y=1/x^2 y=0 x=4 x=7;

about y=–3

i integrated and plugged in values for x and got .61 *pi this is not the right answer been trying for hours please help!

- math -
**MathMate**, Friday, October 23, 2009 at 3:30pmYou're close, perhaps it's a matter of numerical errors.

Can you show your work?

Did you start with:

A=2π∫4:7∫0:1/x²[3+y] dy dx

I got 0.6471π

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