Question

Sejam as matrizes A =

Answer 1

Resposta:

E

Explicação passo-a-passo:

$A - B = \left[\begin{array}{ccc}2&10\\-1&5\\9&0&\end{array}\right] - \left[\begin{array}{ccc}-2&8\\-7&5\\1&0&\end{array}\right]= \left[\begin{array}{ccc}4&2\\6&0\\8&0&\end{array}\right]$