Question

Lim x³+2x-1/5-3x quando x tende a -2

Answer 1

$Ola' \\ \\ \lim_{x \to -2} \frac{ x^{3}+2x-1 }{5-3x} \\ \\ \frac{(-2)\³+2(-2)-1}{5-3(-2)} \\ \\ \frac{-13}{11} \\ \\ \boxed{-\frac{13}{11} } \\ .$