engineering recuitment NFC Chemical Plant Operator Mock Test Mathematics Differential Calculus Applications of Derivatives

The radius of a circle is uniformly increasing at the rate of 3 cm / s. What is the rate of increase in area, when the radius is 10 cm?

1

6π cm² / s

2

10π cm² / s

3

30π cm² / s

4

60π cm² / s

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