\(\mathop {\lim }\limits_{x \to 0} \frac{{\sqrt {1...

Câu hỏi: \(\mathop {\lim }\limits_{x \to 0} \frac{{\sqrt {1 - x}  - 1}}{x}\) bằng

A. \( + \infty \)

B. 0

C. \(\frac{1}{2}\)

D. \(-\frac{1}{2}\)