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Let f: [1/2, 1] to [-1,1] is given by f(...

Let `f: [1/2, 1] to [-1,1]` is given by `f(x) =4x^(3)-3x` and `f^(-)(x)` is given by:

A

`cos[1/3 cos^(-1)x]`

B

`3 cos(sin^(-1)x)`

C

`3sin^(-1)( cos x)`

D

`sin(1/3 cos^(-1)x)`

Text Solution

Verified by Experts

The correct Answer is:
A
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