Question

Dadas as matrizes calcule:​

Answer 1

• RESOLUÇÃO:

$\Large\sf3\cdot\,\!A+2\cdot\,\!B\\\\\large\sf3\cdot\,\!A=3\cdot\left[\begin{array}{ccc}8&5\\3&0\\4&2\end{array}\right]=\large\sf\left(\begin{array}{ccc}24&15\\9&0\\12&6\end{array}\right)~\checkmark\\\\\large\sf2\cdot\,\!B=2\cdot\left[\begin{array}{ccc}9&6\\2&7\\6&1\end{array}\right]=\large\sf\left(\begin{array}{ccc}18&12\\4&14\\12&2\end{array}\right)~\checkmark\\\\\large\sf~A+B=\left(\begin{array}{ccc}24&15\\9&0\\12&6\end{array}\right)+\large\sf\left(\begin{array}{ccc}18&12\\4&14\\12&2\end{array}\right)=\large\sf\left(\begin{array}{ccc}24+18&15+12\\9+4&0+14\\12+12&6+2\end{array}\right)=\large\sf\left|\begin{array}{ccc}42&27\\13&14\\24&8\end{array}\right|~\checkmark$

$\Large\bullet~\textbf{\green{Bons~estudos~forever!}}$

✨ $\Large\mathfrak{\blue{Dreamstime~by:~Dan}}$✨