If x=1/2(√(a)+1/√(a)), then √(x^2)-1/x-√(x^2)-1 is equal to (a) a-1/2 (b) a+1/2 (c) a-1 (d) None ...

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If x=1/2(√(a)+1/√(a)), then √(x^2)-1/x-√(x^2)-1 is equal to
(a) a-1/2
(b) a+1/2
(c) a-1
(d) None of these

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