If x= 3 is one root of the quadratic equationx^{2}-2 k x-6=0, then fin – InterviewSolution

1.	If x= 3 is one root of the quadratic equationx^{2}-2 k x-6=0, then find the value of k.
Answer» Polynomial - x2 - 2kx - 6 =0P (3)=(3)2 - 2(3)k =6=9 - 6k =6=-6k =-3=k =1/2

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