Question

If one zero of the polynomial p(x) = 4x2 - 8kx-k is the reciprocal of the other , find k

Answer 1

let one zero to be -alpha

second zero to be -beta

now, according to the question

alpha=1/beta

so,

alpha*beta=c/a

1/beta*beta=-k/4

1=-k/4

4=-k

k=-4

Answer 2

Answer:

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