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The doamin of sqrt(1-3x)+Cos^(-1).(3x-1)...

The doamin of `sqrt(1-3x)+Cos^(-1).(3x-1)/(2)` is

A

`(-infty,-1)`

B

`(0,infty)`

C

`(-infty, -1) cup (0,infty)`

D

`[-1/3,1/3]`

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The correct Answer is:
D
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AAKASH SERIES-FUNCTIONS -EXERCISE -II
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