Question

ajudam por favor zzzzzzzzzzz​

Answer 1

Resposta: $\left[\begin{array}{ccc}4&17&\\2&7&\\&&\end{array}\right]$

Explicação passo a passo:

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

$\left[\begin{array}{ccc}1X2+2X1+3X0&1X1+2X2+3X4&\\-1X2+4X1+0X0&-1X1+4X2+0X4&\\&&\end{array}\right] =$

$\left[\begin{array}{ccc}2+2+0&1+4+12&\\-2+4+0&-1+8+0&\\&&\end{array}\right] =$

$\left[\begin{array}{ccc}4&17&\\2&7&\\&&\end{array}\right]$

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