Find the inverse of the matrix {eq}A=\begin{bmatrix} 1 & 2 & 0\\ 3 & -1 & 2\\ -2 & 3 & -2 \end{bmatrix} {/eq} Step 1: Find {eq}\det(A). {/eq} According to our determinant formula for a {eq}3\times3 {/eq} matrix: {eq}\begin{align} \det(A)&=1\cdot...