Question

Matrizes, alguém me ajuda?

Answer 1

Resposta:

1) $\left[\begin{array}{ccc}2&3&4\\5&6&7\end{array}\right]$ (C)      2) $\left[\begin{array}{ccc}0&-1&-2\\1&0&-1\end{array}\right]$ (D)

3) $\left[\begin{array}{ccc}2&3\\3&4\\4&5\end{array}\right]$  (C)          4) $\left[\begin{array}{ccc}4&0&3\\8&3&2\end{array}\right]$ (C)

5) $\left[\begin{array}{ccc}-2&0&1\\8&-1&4\end{array}\right]$ (B)