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[" If "x^(2)-4x+log((1)/(2))a=0" does no...

[" If "x^(2)-4x+log_((1)/(2))a=0" does not have two distinct real roots,then maximum value of a is "],[[" (A) "(1)/(4)," (3) "(1)/(16)," (C) "-(1)/(4)," (D) none of the "]]

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