1.If A=[131−12−3012]A = \begin{bmatrix}1&3&1\\-1&2&-3\\0&1&2\end{bmatrix}A=1−103211−32, then adj(adj A)=\text{adj}(\text{adj }A) =adj(adj A)=a.[123612−1224−3601224]\begin{bmatrix}12&36&12\\-12&24&-36\\0&12&24\end{bmatrix}12−12036241212−3624b.[1226−122436−36012−24]\begin{bmatrix}12&26&-12\\24&36&-36\\0&12&-24\end{bmatrix}12240263612−12−36−24c.[12−123624−24−3601224]\begin{bmatrix}12&-12&36\\24&-24&-36\\0&12&24\end{bmatrix}12240−12−241236−3624d.None of theseLogin to continueOnly logged in users canattempt or see the solution.
