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The solution set for [cot^-1x]^2 - 6[cot...

The solution set for `[cot^-1x]^2 - 6[cot^-1x] + 9 <= 0` is

A

`|(a)/(2) sin b|lt 1`

B

`|(a)/(2) sin b|le 1`

C

`|a sin b|le 1`

D

none of these

Text Solution

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The correct Answer is:
a
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