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Given a sphere with radius \(r\), prove that the derivative of the function of the volume of the sphere is the function of its surface area.

 Aug 21, 2017
 #1
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differentiate the volume with respect to radius ie  dv/dr  of   4/3 (pi)(r^3)

= 4(pi)(r^2)   which is the formula for the surface area.

 Aug 21, 2017
 #2
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Good job for your answer! No wonder those two functions look alike.

Jeffes02  Aug 21, 2017

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