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If x^2-4x+log(1/2)a=0 does not have two ...

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`

B

`1//16`

C

`-1//4`

D

none of these

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The correct Answer is:
B
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FIITJEE-QUADRATIC EQUATION & EXPRESSION -ASSIGNMENT PROBLEMS (OBJECTIVE) Level - I
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