Question

find the value of k for which one root of the quadratic equation Kx sqare minas14x+8=0 ,is2

Answer 1

According to Question the value of x in the equation is 2

So, K * (2)^2 - 14 * 2 + 8 = 0

or, 4K - 20 = 0

or, K = 20/4

or, K = 5.

Hope this helps you.

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Answer 2

this is simple methord