Question

The sum of the zero and the product of zero of the polynomial p(x) = x^+(k-7)x+(k+1) are equal than k=

Answer 1

let a and b be the roots of the equation

ab = a + b

$\frac{k + 1}{1} = - \frac{k - 7}{1} \\ k + 1 = 7 - k \\ 2k = 6 \\ k = 3$

Answer 2

Step-by-step explanation:

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