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The complete set of values of k for whic...

The complete set of values of k for which the quadratic equation `x^2-kx+k+2=0` has equal roots is given by

A

`2+sqrt(12)`

B

`2+-sqrt(12)`

C

`2-sqrt(12)`

D

`-2-sqrt(12)`

Text Solution

Verified by Experts

The correct Answer is:
B
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