Find the adjoint of the matrix: $\begin{bmatrix} 1&-1&2 \\ 2&3&5 \\ -2&0&1 \end{bmatrix} $

Question

$\begin{array}{1 1} \begin{bmatrix}3 & 1 & -11\\-12 & 5 &1\\6 & 2 & 5\end{bmatrix} \\ \begin{bmatrix}3 & 1 & -11\\12 & 5 &-1\\6 & 2 & 5\end{bmatrix} \\ \begin{bmatrix}3 & 1 & -11\\-12 & 5 &-1\\6 & 2 & 5\end{bmatrix} \\ \begin{bmatrix}3 & 1 & 11\\-12 & 5 &-1\\6 & 2 & 5\end{bmatrix} \end{array} $