Question

Dadas as matrizes. Analise os resultados e depois responda.

Answer 1

A . B

$\left[\begin{array}{ccc}1&3\\2&0\\- 1&4\end{array}\right] \:. \: \left[\begin{array}{ccc}2&1\\3&1\end{array}\right] = \left[\begin{array}{ccc}11&4\\4&2\\10&3\end{array}\right]$

B . A

$\left[\begin{array}{ccc}2&1\\3&1\end{array}\right]\: . \: \left[\begin{array}{ccc}1&3\\2&0\\- 1&4\end{array}\right] }$

Não se comuntam B(2×2) A(3×2)