A balloon, which always remains spherica...

A balloon, which always remains spherical, has a variable diameter `(3)/(2)` (2x+1) . Find the rate of change of its volume with respect to x.

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The correct Answer is:

`(27)/(8) pi (2x+1)^(2)`

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NCERT BANGLISH-APPLICATION OF DERIVATIVES-EXERCISE 6.1

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