Find the Inverse of the Matrix $$\left[ \begin{array} { c c } - 2 & 1 \\5 & 4\end{array} \right]$$

Multiple Choice

Find the inverse of the matrix $$\left[ \begin{array} { c c } - 2 & 1 \\5 & 4\end{array} \right]$$ (if it exists) .

A) ​ $$\frac { 1 } { 13 } \left[ \begin{array} { c c } 4 & - 1 \\- 5 & - 2\end{array} \right]$$
B) ​ $$- \frac { 1 } { 13 } \left[ \begin{array} { c c } 4 & - 1 \\- 5 & - 2\end{array} \right]$$
C) ​ $$- \frac { 1 } { 13 } \left[ \begin{array} { c c } - 4 & 1 \\5 & 2\end{array} \right]$$
D) ​ $$- \frac { 1 } { 13 } \left[ \begin{array} { c c } - 2 & 1 \\5 & 4\end{array} \right]$$
E) does not exist