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asked in Mathematics by (21.7k points)

The solution set of values of x satisfying equation 2cot-1x + cos -1(1 - x2/1 + x2) = π, is

(A) all real numbers

(B) (- , 0)

(C) [0, 

(D) (- , -1)  (1, )

1 Answer

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answered by (56.6k points)
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Best answer

Correct option  (C) [0, 

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