Câu 24:
Tính limx→2x3−6x2+11x−6x2−4\mathop {\lim }\limits_{x \to 2} \dfrac{{{x^3} - 6{x^2} + 11x - 6}}{{{x^2} - 4}}x→2limx2−4x3−6x2+11x−6 bằng?