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If alpha lt 2 sin^(-1) x +cos^(-1)x le b...

If `alpha lt 2 sin^(-1) x +cos^(-1)x le beta` , then

A

`alpha = (-pi)/2 , beta = (3pi)/2`

B

`alpha = 0 , beta = 2pi`

C

`alpha = (-pi)/2 , beta = pi/2`

D

`alpha = 0 , beta = pi`

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The correct Answer is:
D
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