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The volume of the greatest cylinder whic...

The volume of the greatest cylinder which can be inscribed in a cone of height h and semi- vertical angle `alpha` is

A

`(4pih^(3))/(27)"tan"^(2)alpha`

B

`4pih^(2)tan^(2)alpha`

C

`(4pih^(3))/(9)tan^(2)alpha`

D

`(4pih^(3))/(27)tan^(3)alpha`

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The correct Answer is:
A
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