\(\mathop {\lim }\limits_{x \to 1} \frac{{{x^2} -...

Câu hỏi: \(\mathop {\lim }\limits_{x \to 1} \frac{{{x^2} - 3x + 2}}{{{x^3} - 1}}\) bằng

A. 0

B. \( - \frac{1}{3}\)

C. \(  \frac{1}{3}\)

D. \( - \frac{2}{3}\)