Question

A=(aij) 3x3 sendo aij= i elevado a 2 - 2j

Answer 1

$A= \left[\begin{array}{ccc}1^2-2.1&1^2-2.2&1^2-2.3\\2^2-2.1&2^2-2.2&2^2-2.3\\3^2-2.1&3^2-2.2&3^2-2.3\end{array}\right] \\ \\ A= \left[\begin{array}{ccc}-1&-3&-5\\2&0&-2\\7&5&3\end{array}\right]$