Question

pfcrrrr essa genteee​

Answer 1

Resposta:

$\left[\begin{array}{ccc}16&-4\\-10&2\end{array}\right]$

Explicação passo a passo:

B + B

$\left[\begin{array}{ccc}8&-2\\-5&1\end{array}\right] + \left[\begin{array}{ccc}8&-2\\-5&1\end{array}\right]$

$\left[\begin{array}{ccc}8+8&-2+(-2)\\-5+(-5)&1+1\end{array}\right]$

$\left[\begin{array}{ccc}16&-4\\-10&2\end{array}\right]$