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If a le sin^(-1) x+cos^(-1)x+tan^(-1) x ...

If `a le sin^(-1) x+cos^(-1)x+tan^(-1) x le b`, then

A

`a=0, b= pi`

B

`a =0, b=(pi)/(2)`

C

`a=(pi)/(2), b= pi`

D

None of these

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The correct Answer is:
A
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