Question

the only value of k in which the quadratic polynomial Kx^2 + x + 12 has equal zeroes in 1/2. find the value of k

Answer 1

Heya !!!




Given that,


1/2 is one zero of the given polynomial.



P(X) => KX² + X + 12




P(1/2) = K × (1/2)² + 1/2 + 12




=> K × 1/4 + 1/2 + 12 = 0





=> K /4 + 1/2 + 12 = 0



=> K + 2 + 12 / 4 = 0





=> K + 14 = 0 × 4




=> K + 14 = 0




=> K = -14.




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Answer 2

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Your answer is given in the attachment

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