If \(\mathrm{A}=\left[\begin{array}{lll}3 & -3 & 4 \\ 2 & -3 & 4 \\ 0 & -1 & 1\end{array}\right]\), then A-1 is
1
\(\left[\begin{array}{lll}1 & 1 & 0 \\ 2 & 3 & 4 \\ 2 & 3 & 3\end{array}\right]\)
2
\(\left[\begin{array}{lll} 1 & 1 & 0 \\ 2 & 3 & 2 \\ 2 & 4 & 2 \end{array}\right]\)
3
\(\left[\begin{array}{rrr} -1 & -1 & 0 \\ -2 & 3 & 4 \\ -2 & 3 & -3 \end{array}\right] \)
4
none of these