Question 24
Let $f$ be a function defined on nonzero real numbers such that for any nonzero $x$, $$
\frac{2}{x}f(-x) + f\left(\frac{1}{x}\right) = x.
$$ Find the value of $f(8)$.
\frac{2}{x}f(-x) + f\left(\frac{1}{x}\right) = x.
$$ Find the value of $f(8)$.