Question

4. Faça a subtração e a soma das matrizes de ordem 2 abaixo.​

Answer 1

Olá!

$\left[\begin{array}{cc}0&1\\3&4\end{array}\right] -\left[\begin{array}{cc}5&1\\1&3\end{array}\right]+\left[\begin{array}{cc}9&0\\2&1\end{array}\right]=\\ \\ \\ \\ \left[\begin{array}{cc}0-5+9&1-1+0\\3-1+2&4-3+1\end{array}\right]=\left[\begin{array}{cc}4&0\\4&2\end{array}\right]$

:)