\(y = \sqrt {\dfrac{{x - 1}}{{2 - x}}} \)

Câu hỏi: \(y = \sqrt {\dfrac{{x - 1}}{{2 - x}}} \)

A \(1 \le x \le 2\)

B \(\left[ \begin{array}{l}
x > 2\\
x \le 1
\end{array} \right.\)

C \(1 \le x < 2\)

D \(\left[ \begin{array}{l}
x \ge 2\\
x \le 1
\end{array} \right.\)