brazil-enem 2011 Q179

brazil-enem · Other · enem Differentiation from First Principles

O limite $\displaystyle\lim_{x \to 2} \dfrac{x^2 - 4}{x - 2}$ é igual a
(A) 0 (B) 1 (C) 2 (D) 4 (E) indefinido

O limite $\displaystyle\lim_{x \to 2} \dfrac{x^2 - 4}{x - 2}$ é igual a

(A) 0
(B) 1
(C) 2
(D) 4
(E) indefinido