Homework Help: differential calculus

Posted by wen on Wednesday, July 27, 2011 at 8:28pm.

a right circular cylinder has a fixed height of 6 units. Find the ratio of change of its volume(v) with respect to the radius(r) of its base.

differential calculus - Damon, Wednesday, July 27, 2011 at 8:48pm
V = pi r^2 h
dV/dr = pi h (2 r)
dV/dr = 12 pi r

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