Question mambers 1 to 6 carry 1 mark each.Nt it : 3 is one root of the – InterviewSolution

1.

Question mambers 1 to 6 carry 1 mark each.Nt it : 3 is one root of the quadratic equation x2-2kr-6, then find the value ofk

Answer»

x²-2kx-6If x = 33²-2(3) k-6 = 09-6k-6=03=6k1/2 = k

x square- 2kx- 6of x=33× 3- 2×3 k- 6= 0 9-6k-6=03=6k 1/2=Ik= 1/2

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