Cho hàm số \[y = \frac{1}{{x - 3}}\]. Khi đó :

\[y'''\left( 1 \right) = \frac{3}{8}\].

\[y'''\left( 1 \right) = \frac{1}{8}\].

\[y'''\left( 1 \right) = - \frac{3}{8}\].

\[y'''\left( 1 \right) = - \frac{1}{4}\].