Respuesta :

gmany

[tex]\left\{\begin{array}{ccc}3x-4y=7\\9x+11y=10\end{array}\right\\\\A=\left[\begin{array}{ccc}3&-4\\9&11\end{array}\right\left|\begin{array}{ccc}7\\10\end{array}\right]_{(2\ \times\ 3)}[/tex]