Question

Questão 6 me ajudem, trabalho pra entregar hoje!!!​

Answer 1

Resposta:

Explicação passo-a-passo:

$A-B=\left[\begin{array}{cc}\frac{2}{3}&3\\0,5&-2\end{array}\right] -\left[\begin{array}{cc}-6&5\\-3&-4\end{array}\right] = \left[\begin{array}{cc}\frac{2}{3}+6&3-5\\0,5+3&-2+4\end{array}\right]=\left[\begin{array}{cc}\frac{20}{3}&-2\\3,5&2\end{array}\right]$