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If the equation x^2-(2 + m)x + (m2-4m +4...

If the equation `x^2-(2 + m)x + (m2-4m +4) = 0` has coincident roots, then

A

`m = 0, m =1`

B

`m= 0, m = 2`

C

`m = (2)/(3) , m = 6`

D

`m = (2)/(3), m =1`

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The correct Answer is:
C
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