Tính giới hạn Lim {{2x - 1 / 4x + 2
Giải thích
Chọn B
\(\mathop {\lim }\limits_{x \to + \infty } \frac{{2x - 1}}{{4x + 2}} = \mathop {\lim }\limits_{x \to + \infty } \frac{{2 - \frac{1}{x}}}{{4 + \frac{2}{x}}} = \frac{2}{4} = \frac{1}{2}\)
Chọn B
\(\mathop {\lim }\limits_{x \to + \infty } \frac{{2x - 1}}{{4x + 2}} = \mathop {\lim }\limits_{x \to + \infty } \frac{{2 - \frac{1}{x}}}{{4 + \frac{2}{x}}} = \frac{2}{4} = \frac{1}{2}\)