4/ Ifx-_ ⅓ is a solution of the quadratic equation 3x^3 + 2kx-3-0 of – InterviewSolution

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4/ Ifx-_ ⅓ is a solution of the quadratic equation 3x^3 + 2kx-3-0 of k.

Answer»

If -1/2 is a solution of given quadratic equation the it would satisfy the condition ;3(-1/2)^2 + 2×k×(-1/2) + 3 = 0

-3/4 - k + 3 = 0k = (-3+12)/4k = 9/4

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