Resposta:
[tex]\\\left[\begin{array}{ccc}12&-3\\-4&5\\4&1\end{array}\right][/tex]
Explicação passo a passo:
[tex]\left[\begin{array}{ccc}3&0\\-1&2\\1&1\end{array}\right] * \left[\begin{array}{ccc}4&-1\\0&2\\\end{array}\right] = \\\left[\begin{array}{ccc}3*4 + 0*0 &3*(-1) + 0*2\\-1*4 + 2*0&-1*(-1) + 2*2\\1*4 + 1*0&1*(-1) + 1*2\end{array}\right] =\\\left[\begin{array}{ccc}12&-3\\-4&5\\4&1\end{array}\right][/tex]
