Question

Calcule a matriz me ajudem por favor

Answer 1

Resposta:

a) A = $\left[\begin{array}{ccc}3&7\\4&-8\end{array}\right]$

b) B = $\left[\begin{array}{ccc}17&18\\-21&19\end{array}\right]$

c) C = $\left[\begin{array}{ccc}4&0&-9\\-6&-6&11\\4&2&-1\end{array}\right]$

d) D = $\left[\begin{array}{ccc}9&-14\\7&11\end{array}\right]$