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The value of x for which Cos^(-1)(cos4) ...

The value of x for which `Cos^(-1)(cos4) gt 3x^(2)-4x` is

A

`(0,(2+sqrt(6pi-8))/3)`

B

`((2+sqrt(6pi-8))/3,0)`

C

`(-2,2)`

D

`((2-sqrt(6pi-8))/3,(2+sqrt(6pi-8))/3)`

Text Solution

Verified by Experts

The correct Answer is:
D
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