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Given the function f(x) such that 2 f(x) + xf (1/x) -2f (|2sin(π(x+1/4))|) =4cos2 πx/2 +x cos π/x

(A) f(2) + f(1/2) = 1 

(B) f(1) = -1, but the values of f(2), f(1/2) cannot be determined 

(C) f(2) + f(1) = f(1/2) 

(D) f(2) + f(1) = 0

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Correct Option:- (A) (C) (D)

Explanation :-

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