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If the local minimum of the function f(x...

If the local minimum of the function `f(x)=x^(3)-3a^(2)x+4(AA a gt 0)` occurs at `x=lambda (AA lambda gt 1)`, then `a` may take the value

A

`(sqrt3)/(2)`

B

`(2)/(sqrt3)`

C

`(4)/(5)`

D

0

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The correct Answer is:
B
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