Find the Inverse of the Matrix (If It Exists) $\left[ \begin{array} { c c } 4 & - 1 \\- 3 & 1\end{array} \right]$

Multiple Choice

Find the inverse of the matrix (if it exists) . $\left[ \begin{array} { c c } 4 & - 1 \\- 3 & 1\end{array} \right]$

A) $\left[ \begin{array} { l l } 1 & 1 \\3 & 4\end{array} \right]$
B) $\left[ \begin{array} { c c } 1 & 1 \\- 3 & 4\end{array} \right]$
C) $\left[ \begin{array} { c c } - 1 & 1 \\3 & 4\end{array} \right]$
D) $\left[ \begin{array} { c c } 1 & 1 \\3 & - 4\end{array} \right]$
E) Does not exist