7(2) Find k, if m =-5-is a root of equation 5m2 + 2ml + k = 0. – InterviewSolution

1.

7(2) Find k, if m =-5-is a root of equation 5m2 + 2ml + k = 0.

Answer»

Put m= -7/5 and equate to 0, in given equation.

5m² + 2m + k = 05×(-7/5)² + 2×(-7/5) + k = 049/5 -14/5 + k = 035/5 + k = 0k = -7

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