Question

matrizes

A) (A . B) . C
B) A.(B . C)

Answer 1

A) $\left[\begin{array}{ccc}9&-1&28\\10&-6&3\\20&1&47\end{array}\right]$ x $\left[\begin{array}{ccc}2&0&4\\3&-5&4\\1&0&3\end{array}\right]$ = $\left[\begin{array}{ccc}43&5&116\\5&30&25\\90&-5&225\end{array}\right]$

B) $\left[\begin{array}{ccc}1&3&4\\0&-2&1\\5&2&4\end{array}\right]$ x $\left[\begin{array}{ccc}12&-5&27\\1&-10&-1\\7&10&23\end{array}\right]$ = $\left[\begin{array}{ccc}43&5&116\\5&30&25\\90&-5&225\end{array}\right]$