Tính lim x → − ∞ √ 4 x 2 − x + 11 x + 2025 .

\(\mathop {\lim }\limits_{x \to - \infty } \frac{{\sqrt {4{x^2} - x + 11} }}{{x + 2025}}\)\( = \mathop {\lim }\limits_{x \to - \infty } \frac{{ - x\sqrt {4 - \frac{1}{x} + \frac{{11}}{{{x^2}}}} }}{{x\left( {1 + \frac{{2025}}{x}} \right)}}\)\( = \mathop {\lim }\limits_{x \to - \infty } \frac{{ - \sqrt {4 - \frac{1}{x} + \frac{{11}}{{{x^2}}}} }}{{\left( {1 + \frac{{2025}}{x}} \right)}}\) = −2.

Trả lời: −2.