Perfоrm the indicаted mаtrix оperаtiоns.Note: Your answer will be in terms of the variables (a), (b), and (c).(begin{bmatrix} 1 & 2\ a & -1end{bmatrix}begin{bmatrix} 3 & 0\ 0 & 1\ 2 & bend{bmatrix}^T - 2begin{bmatrix} 1 & 0 & c \ 0 & 1 & 1end{bmatrix}=underline{hspace{1in}})