Question

lim quando x tende a 0 de x / x²+ x³

Answer 1

Limites laterais.

$\boxed{ \lim_{x \to 0^{\pm}} \frac{x}{x^2+x^3} = \frac{x}{x(x+x^2)} = \frac{1}{x+x^2} =\pm\infty}$

$\boxed{\therefore~\not \exists\lim_{x~\to~0}\frac{x}{x^2+x^3}}$