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A Spherical balloon is being inflated.Find a general formula for the instantaneous rate of change of the volume V with respect to the radius r.

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A Spherical balloon is being inflated.Find a general formula for the instantaneous rate of change of the volume V with respect to the radius r. given that V = 4².Answer:Find the rate of change of V with respect to r at the instant when the radius is r = 5.Answer:

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