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Choose the correct or the most suitable answer. The volume of a sphere is increasing in volume at the rate of 3πcm^3/sec. The rate of change of its

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Choose the correct or the most suitable answer.

The volume of a sphere is increasing in volume at the rate of 3πcm3/sec. The rate of change of its radius when radius is 1/2 cm …

(a) 3 cm/s 

(b) 2 cm/s 

(c) 1 cm/s 

(d) (1/2) cm/s

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1 Answer

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Best answer

(a) 3 cm/s

dr/dt = 3

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