Posted by Dan on Wednesday, March 27, 2013 at 11:56pm.
The volume of the 3dimensional structure formed by rotating the circle x^2 + (y5)^2 = 1 around the xaxis can be expressed as V = a\pi^2. What is the value of a?

Calculus  Steve, Thursday, March 28, 2013 at 12:00am
10
use theorem of pappus
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