Thus, $\mathbfM = \beginpmatrix -1 & 2 \\ -2 & 3 \endpmatrix$. Final answer: $\boxed\beginpmatrix -1 & 2 \\ -2 & 3 \endpmatrix$. - AMAZONAWS 📅 March 6, 2026 👤 scraface Mar 06, 2026