Q6 of 40 Page 1

If one zero of a quadratic polynomial (kx2 + 3x + k) is 2, then the value of k is

Here, p(x) = kx2 + 3x + k

P(2) = k(2)2 + 3(2) + k = 0


⇒ 4k + 6 + k =0


⇒ 5k + 6 = 0


⇒ k = -6/5

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