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The solution set of the ineuality (c o s...

The solution set of the ineuality `(c o s e c^(- 1)x)^2-2c o s e c^(- 1)xgeqpi/6(c o s e c^(- 1)x-2)` is `(-oo,a] uu [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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