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OpenStudy (butterflydreamer):
The volume, V, of a sphere of radius r mm is increasing at a constant rate of 200 mm^3 per second. Find the rate of increase of the surface area, S, of the sphere when the radius is 50 mm. (V = 4/3 *pi*r^3 , S = 4*pi*r^2)
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OpenStudy (ribhu):
hey
OpenStudy (ribhu):
i hope i was of help to u
OpenStudy (butterflydreamer):
yeah you were a great help. thanks!
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