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The domain of cos^(-1)(sqrt(2)x) is...

The domain of `cos^(-1)(sqrt(2)x)` is

A

`[-1, 1]`

B

`[0, 1//2]`

C

`[-1/sqrt(2), 1/sqrt(2)]`

D

`(1, 1//2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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