(2) Find the inverse of the following matrices: \left(\begin{array}{ccc} 1 & 0 & -2 \\ -3 & 1 & 4 \\ 2 & -3 & 4 \end{array}\right) \left(\begin{array}{ccc} 1 &

-2 & 1 \\ 4 & -7 & 3 \\ -2 & 6 & -4 \end{array}\right)