Question

pfv, me ajudem preciso da resposta att amanhã​

Answer 1

Resposta:

Olá!

Explicação passo a passo:

$A=\left[\begin{array}{ccc}1&4&0\\1&-3&1\\\end{array}\right]$    $B=\left[\begin{array}{ccc}1&-1\\-1&1\\5&0\end{array}\right]$

$A.B=\left[\begin{array}{ccc}1.1+4.(-1)+0.5&1.(-1)+4.1+0.0\\1.1+(-3).(-1)+1.5&1.(-1)+(-3).1+1.0\\\end{array}\right]$

$A.B=\left[\begin{array}{ccc}1-4+0&-1+4+0\\1+3+5&-1-3+0\\\end{array}\right]$

$A.B=\left[\begin{array}{ccc}-3&3\\9&-4\\\end{array}\right]$

Bons Estudos!