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The solution set of inequality ("cosec"...

The solution set of inequality `("cosec"^(-1)x)^(2)-2"cosec"^(-1)x ge (pi)/(6)("cosec"^(-1)x -2)` is `(-oo, a] cup [ b, oo)` then `(a+b)` equals :

A

0

B

1

C

2

D

-3

Text Solution

Verified by Experts

The correct Answer is:
B
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