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If ax^(2)+(b)/(x)gec for all positive x ...

If `ax^(2)+(b)/(x)gec` for all positive x where a gt 0 and b gt show that `27ab^(2)ge4c^(3)`

A

`27ab^(2)ge4c^(3)`

B

`27ab^(2)le4c^(3)`

C

`9ab^(2)ge4c^(2)`

D

`9ab^(2)le4c^(2)`

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