Explicação passo-a-passo:

A) [2 -3]

[5 5]

B) [-8 -5]

[ -1 0 ]

Verified answer

Explicação passo a passo:

[tex]A+B=\left[\begin{array}{ccc}-3&1\\2&0\end{array}\right] +\left[\begin{array}{ccc}5&-4\\3&5\end{array}\right] \\ \\ \\ A+B=\left[\begin{array}{ccc}-3+5&1-4\\2+3&0+5\end{array}\right] \\ \\ \\ A+B=\left[\begin{array}{ccc}2&-3\\5&5\end{array}\right][/tex]

--------------------------------------------------

[tex]A-B=\left[\begin{array}{ccc}-3&1\\2&0\end{array}\right] -\left[\begin{array}{ccc}5&-4\\3&5\end{array}\right] \\ \\ \\ A-B=\left[\begin{array}{ccc}-3-5&1-(-4)\\2-3&0-5\end{array}\right] \\ \\ \\ A-B=\left[\begin{array}{ccc}-8&5\\-1&-5\end{array}\right][/tex]