Question

limita cand x tinde la 1 din x+2 supra x-1 egal cu

Answer 1

Răspuns:

$\lim_{x \to \ 1 } \frac{x+2}{x-1}$

daca facem inlocuirea avem numar supra 0 adica + sau - inf

Cazul I

x>1

$\lim_{x \to \ 1 } \frac{x+2}{x-1}$ = +inf

Cazul II

x<1

$\lim_{x \to \ 1 } \frac{x+2}{x-1}$ = -inf