Question

Determine a soma das seguintes matrizes:

a) [

1 −1 0

3 3 2

−5 2 3

] + [

3 5 0

9 4 1

−5 7 ​

Answer 1

Resposta: $\left[\begin{array}{ccc}4&4&0\\12&7&3\\-5&-3&10\end{array}\right]$

Explicação:

a) Tendo as matrizes  $\left[\begin{array}{ccc}1&-1&0\\3&3&2\\-5&2&3\end{array}\right]$ e $\left[\begin{array}{ccc}3&5&0\\9&4&1\\0&-5&7\end{array}\right]$, temos:

$\left[\begin{array}{ccc}1&-1&0\\3&3&2\\-5&2&3\end{array}\right]$ + $\left[\begin{array}{ccc}3&5&0\\9&4&1\\0&-5&7\end{array}\right]$ = $\left[\begin{array}{ccc}4&4&0\\12&7&3\\-5&-3&10\end{array}\right]$