If slant height of a right circular cone...

If slant height of a right circular cone is `3 cm` then the maximum volume of cone is (a) `2sqrt(3) pi cm^(3)` (b) `4sqrt(3) pi cm^(3)` (c) `(2+sqrt(3)) pi cm^(3)` (d) `(2-sqrt(3)) pi cm^(3)`

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