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MathNet 2019-part-01 — 184 problems (EN–VI) Question 110

Math Olympiad Vault · MathNet 2019-part-01 — 184 problems (EN–VI)

Question 110

The polynomial $f(x) = x^2 + bx + 8$, $b \neq 0$, has two different real roots $x_1$ and $x_2$. The numbers $x_1 + 1/x_2$ and $x_2 + 1/x_1$ are the roots of the monic polynomial $g(x)$ of degree 2.
Find all possible values of $g(1)$ if $g(1) = f(1)$.