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The diameter and altitude of a right cir...

The diameter and altitude of a right circular cylinder are found at a certain instant to be 20 cm and 40 cm repectively. It=f the diameter is increasing at the rate of 2 cm/sec then the rate of change in the altitude will keep the volume constant is

A

2 cm/sec

B

4 cm/sec

C

6 cm/sec

D

`-8` cm/sec

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1C (RATE OF CHANGE)
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