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

Question:

If \(A=[\begin{matrix}2&1&-3\\ 3&2&1\\ 1&2&-1\end{matrix}],\) find \(A^{-1}\) and hence solve the following system of equations: \(2x+y-3z=13\), \(3x+2y+z=4\), \(x+2y-z=8\).