0 votes 0 votes If $A=\left(\begin{array}{ll}1 & 2 \\ 3 & 5\end{array}\right)$, the value of $\left|A^{4}+3 A^{2}-5 A+6 I\right|$ is _____________. Others gatebt-2023 + – admin asked May 21, 2023 • edited Nov 20, 2023 by makhdoom ghaya admin 2.7k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.