A \( \frac{1}{2}\left[\begin{array}{cc}4 & 3 \\ -2 & -1\end{array}\right] \)
B \( -\frac{1}{2}\left[\begin{array}{cc}1 & 3 \\ 2 & -4\end{array}\right] \)
C \( \frac{1}{2}\left[\begin{array}{cc}4 & 2 \\ -3 & -1\end{array}\right] \)
D \( \frac{1}{10}\left[\begin{array}{cc}4 & 3 \\ -2 & -1\end{array}\right] \)