レ16.Find that non-zero value of k, for which the quadratic equation – InterviewSolution

1.	レ16.Find that non-zero value of k, for which the quadratic equation kr +1-2(k-1)x+x2=0has equal roots.Hence, find the roots of the equation.
Answer» b^2 -4ac = 0(-2k+2)^2 - 4(k+1) =04k^2 -8k +4 -4k -4 =04k^2 -12k=04k^2 = 12k___k =3___

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