यदि असमिका ("cosec"^(-1)x)^(2) -2 "cosec...

यदि असमिका `("cosec"^(-1)x)^(2) -2 "cosec"^(-1)x ge pi/6 ("cosec"^(-1)x-2)` का हल का समुच्चय`(-infty, m] cup [n, infty)` है, तो (m+ n) का मान है: (i) 0 (ii) 1 (iii) 2 (iv) `-3`

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