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If ax^2+b/x gec for all positive x, wher...

If `ax^2+b/x gec` for all positive x, where `a,b,gt 0` then

A

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

B

`27ab^(2)lt4c^(3)`

C

`4ab^(2)ge27c^(3)`

D

None of these

Text Solution

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The correct Answer is:
A
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