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Air is discharging from a large spherica...

Air is discharging from a large spherical balloon at the rate of 4 cubic meters per minute. Then, the rate at which the surface area is shrinking when the radius of the balloon is 8 m, is

A

`2m^(2)//min`

B

`1m^(2)//min`

C

`4m^(2)//min`

D

`8m^(2)//min`

Text Solution

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The correct Answer is:
B
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