Ifx-3 is one root of the quadratic equation x-2kr-6 = 0, then find the – InterviewSolution

1.

Ifx-3 is one root of the quadratic equation x-2kr-6 = 0, then find the value of k.the

Answer»

If x=3 is one root of the quadratic equation,Let p(x)=x²-2kx-6=0

=>p(3)=3²-(2×k×3)-6=0=>9-6-6k=0=>6k=3=>k=1/2

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