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If three distinct positive numbers a,b,c...

If three distinct positive numbers a,b,c are in A.P. Such that abc=4,then value of b is always

A

greater than`(2)^(2//3)`

B

less than `(2)^(2//3)`

C

equal to `(2)^(2//3)`

D

equal to `(2)^(3//2)`

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The correct Answer is:
A
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