Find the Inverse, If It Exists, of the Given Matrix $\mathrm{A}=\left[\begin{array}{rr}-5 & 5 \\ 0 & -1\end{array}\right]$

Multiple Choice

Find the inverse, if it exists, of the given matrix.
- $\mathrm{A}=\left[\begin{array}{rr}-5 & 5 \\ 0 & -1\end{array}\right]$

A) $\left[\begin{array}{rr}-1 & -1 \\ 0 & -\frac{1}{5}\end{array}\right]$
B) $\left[\begin{array}{rr}-\frac{1}{5} & 1 \\ 0 & -1\end{array}\right]$
C) $\left[\begin{array}{rr}-\frac{1}{5} & -1 \\ 0 & -1\end{array}\right]$
D) $\left[\begin{array}{rr}0 & -1 \\ -\frac{1}{5} & 0\end{array}\right]$