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If a circular plate is heated uniformly,...

If a circular plate is heated uniformly, its area expands 3c times as fast as its radius, then the value of c when the radius is 6 units, is a)`4pi` b)`2pi` c)`6pi` d)`3pi`

A

`4pi`

B

`2pi`

C

`6pi`

D

`3pi`

Text Solution

Verified by Experts

The correct Answer is:
C
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