MHT CET 2022 Mathematics question
The radius of a cylinder is increasing at that rate 2 cm/sec and its height is decreasing at the rate of 3 cm/sec, then the rate of change of volume, when radius is 3 cm and the height is 5 cm, is
Answer: (D)
Solution
Volume . Differentiate with respect to time: . Given cm/s, cm/s (decreasing), cm, cm:
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