1.

| Find the value of k, for which one root of the quadratic equation kx,-14x+8 = 0 is 2.

Answer»

If 2 is root of kx² - 14x + 8 = 0

So, k × 2² - 14 × 2 + 8 = 0

4k - 28 + 8 = 0

4k = 20

k = 5



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