Exercise MM.C25 Chris Black

Compute the product $AB$ of the two matrices below. \begin{align*} A&= \begin{bmatrix} 1 & 2 & 3 & -2 \\ 0 & 1 & -2 & -1\\ 1 & 1 & 3 & 1 \end{bmatrix} & B&= \begin{bmatrix} -7\\ 3 \\ 1 \\ 1 \end{bmatrix} \end{align*}

Solution