Question

Escreva a matriz A=(aij)2x3, em que aij= i-j

ME AJUDEM!!!

Answer 1

$A= \left[\begin{array}{ccc}a_{11}&a_{12}&a_{13}\\a_{21}&a_{22}&a_{23\end{array}\right] \\ \\ \\ A= \left[\begin{array}{ccc}0&-1&-2\\1&0&-1\end{array}\right]$