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January 25, 2015

January 25, 2015

Posted by **Kay** on Friday, February 11, 2011 at 2:46pm.

- algebra -
**Damon**, Friday, February 11, 2011 at 4:00pmV = pi r^2 h

so try to factor out pi r^2

(I think you have a typo x^3 not r^3)

2 pi x^3 + 12 pi x^2 + 18 pi x

pi x^2 (2 x + 12 + 18/x)

if r = x^2 then h = (2x + 12 + 18/x)

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