Determine the eigenvalues and eigenvectors of A and B using MATLAB $\begin{array}{lll}4 & 5 & -3\end{array}$ $\begin{array}{lll}1 & 2 & 3\end{array}$ (a) $\boldsymbol{A}=\begin{array}{lll}-1 & 2 & 3\end{array}$ $\boldsymbol{B}=\begin{array}{lll}8 & 9 & 6\end{array}$ $\begin{array}{lll}2 & 5 & 7\end{array}$ $\begin{array}{lll}5 & 3 & -1\end{array}$