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The equation 2Cos^(-1)x=Cos^(-1)(2x^(2)-...

The equation `2Cos^(-1)x=Cos^(-1)(2x^(2)-1)` is satisfied by

A

`-1lexle1`

B

`0lexle1`

C

`xge1`

D

`xle1`

Text Solution

Verified by Experts

The correct Answer is:
B
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