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The rate of change (in cm²/s) of the total surface area of a hemisphere with respect to rad r at cm is:
Question

The rate of change (in cm²/s) of the total surface area of a hemisphere with respect to rad r at cm is:

A.

66π

B.

6.6π

C.

3.3π

D.

4.4π

Correct option is B

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CUET 2025 English Language Mock 01

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