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It is given that equation 4x^3-3x-p=0 ha...

It is given that equation `4x^3-3x-p=0` has a unique root in the interval [1/2.1], where`-1leple1`. The value of this root is

A

44257

B

`sin(1/3sin^(-1)p)`

C

`cos(1/3cos^(-1)p)`

D

none of these

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The correct Answer is:
C
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