Question

O limn→-∞ n^2-1/n^2+ 2n+ 2

Answer 1

Vamos là.

lim n→-∞ (n² - 1)/(n² + 2n + 2) =

lim n→-∞ n²/(n² + 2n) =

lim n→-∞ n/n + 2) = n/n = 1