\(\mathop {\lim }\limits_{x \to  - \infty } \frac{{ - 3{x^2} + 7x - 11}}{{{x^2} + x - 3}}\) bằng

Câu hỏi :

\(\mathop {\lim }\limits_{x \to  - \infty } \frac{{ - 3{x^2} + 7x - 11}}{{{x^2} + x - 3}}\) bằng