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Old 04-23-2012, 04:53 PM
martureo martureo is online now
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Join Date: May 2010
Location: DC Metro/Maryland
Posts: 16,357
Quote:
Originally Posted by colincoon View Post
Find the volume of the solid obtained by rotating the region bounded by

y=x-x^2
y=0

About the line x = 2

Not sure if it's a solid or a shell, but it's confusing me.

Help?
It's gonna be a solid. And remember that y=0 is a HORIZONTAL line.

You end up with something like this:


...crap, had a graph on here but it won't work..



It'll look something like a D profile ring.
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