Question

Uma matriz de ordem 3x3, sendo a11, onde i+j = 2
pfv!!

Answer 1

$A=\left[\begin{array}{ccc}a11&a12&a13\\a21&a22&a23\\a31&a32&a33\end{array}\right] \\\\\\ aij = i + j, pois \\a11 = 1 + 1 = 2 \\\\\\ A=\left[\begin{array}{ccc}2&3&4\\3&4&5\\4&5&6\end{array}\right]$