Question

Efetue as operações:

Answer 1

Resposta:

Explicação passo a passo:

$a) \left[\begin{array}{ccc}5&3\\4&2\end{array}\right] +\left[\begin{array}{ccc}4&7\\6&9\end{array}\right]=\left[\begin{array}{ccc}5+4&3+7\\4+6&2+9\end{array}\right]=\left[\begin{array}{ccc}9&10\\10&11\end{array}\right]\\\\\\b) \left[\begin{array}{ccc}5&3\\4&2\end{array}\right] -\left[\begin{array}{ccc}4&7\\6&9\end{array}\right]=\left[\begin{array}{ccc}5-4&3-7\\4-6&2-9\end{array}\right]=\left[\begin{array}{ccc}1&-4\\-2&-7\end{array}\right]$