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Let a, b, c be positive numbers, then th...

Let a, b, c be positive numbers, then the minimum value of `(a^4+b^4+c^2)/(abc)`

A

4

B

`2 ^(3//4)`

C

` sqrt2`

D

`2 sqrt2`

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The correct Answer is:
D
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  20. Let the roots of the equation 24 x ^(3) -14x ^(2) + kx +3=0 form a geo...

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