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July 30, 2014

July 30, 2014

Posted by **PLEASEHELP** on Tuesday, June 5, 2012 at 2:06pm.

- Solids of Revolution -
**Steve**, Tuesday, June 5, 2012 at 2:42pmjust use discs:

v = integral(pi*r^2)dx from x=0 to 1

where r = y = e^x

v = pi*Integral(e^2x dx) [0,1]

= pi(1/2 e^2x) [0,1]

= pi(e^2/2 - 1/2)

= pi/2 (e^2 - 1)

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