Verify that $\left[\begin{array}{c}1 11101 -1\end{array} ight]$ is an eigenvector of $\left(\begin{array} {1111}1 & 1 & 1 & 1 1 1 & 2 & 2 & 2 \\ 1 & 2 & 3 & 3 1 1 & 2 & 3 & 4\end{array} ight]$. What is the corresponding eigenvalue? CS. SD. 162