Fes el producte de les matrius $$\left( \begin{array}{cc} 2 & 6 \\ 1 & 3 \end{array} \right)$$ i $$\left( \begin{array}{cc} 4 & 1 \\ 0 & 5 \end{array} \right)$$
Desenvolupament:
$$\left( \begin{array}{cc} 2 & 6 \\ 1 & 3 \end{array} \right) \cdot \left( \begin{array}{cc} 4 & 1 \\ 0 & 5 \end{array} \right)=\left( \begin{array}{cc} 2\cdot4+6\cdot0 & 2\cdot1+6\cdot5 \\ 1\cdot4+3\cdot0 & 1\cdot1+3\cdot5 \end{array} \right) = \left( \begin{array}{cc} 8 & 32 \\ 4 & 16 \end{array} \right)$$
Solució:
$$\left( \begin{array}{cc} 8 & 32 \\ 4 & 16 \end{array} \right)$$