Question

limite de x^3+1/x^2+1 com x tendendo a -1 ?

Answer 1

Olá

Basta substituir...

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