ID: Class: 12 Subject: Math Topic: Matrices and Determinants Type: Long (LA) Year: 2024

Question:

If \(A=\begin{bmatrix}-1&a&2\\ 1&2&x\\ 3&1&1\end{bmatrix}\) and \(A^{-1}=\begin{bmatrix}1&-1&1\\ -8&7&-5\\ b&y&3\end{bmatrix},\) find the value of \((a+x)-(b+y)\).