Question

1- Efetue a somas das matrizes quadradas de ordem 2 abaixo.

Answer 1

$\boxed{\begin{array}{l}\boldsymbol{ Resposta:}\\\tt a)~\begin{bmatrix}\sf7&\sf2\\\sf3&\sf7\end{bmatrix}~~b)\begin{bmatrix}\sf5&\sf2&\sf1\\\sf4&\sf7&\sf2\end{bmatrix}\\\boldsymbol{ Explicac_{\!\!,}\tilde ao~passo~a~passo:}\\\tt a)~\begin{bmatrix}\sf2+5&\sf1+1\\\sf2+1&\sf4+3\end{bmatrix}=\begin{bmatrix}\sf7&\sf2\\\sf3&\sf7\end{bmatrix}\\\tt b)~\begin{bmatrix}\sf0+5&\sf1+1&\sf1+0\\\sf3+1&\sf4+2&\sf2+0\end{bmatrix}=\begin{bmatrix}\sf5&\sf2&\sf1\\\sf4&\sf7&\sf2\end{bmatrix}\end{array}}$