Find the value of 'k' for which are the root of quadratic equation equ – InterviewSolution

1.

Find the value of 'k' for which are the root of quadratic equation equation k x^{2}-14 x+8=0 is six times the other.

Answer»

let the roots be X and yhence X=6ynowx+y=-b/a=14/k7y=14/kk=2/ynow X*y=c/a6y*y=8/2*y6y=4y=2/3hencek=2/2*3=3

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