Question

qual e essa matiz

01. Obter a matriz A = (aij)2x2 definida por aij = 3 i - j.

Answer 1

$A= \left[\begin{array}{cc}a_{11}&a_{12}\\{a_21}}&a_{22}\end{array}\right] \\ \\ A= \left[\begin{array}{cc}3.1-1}&3.1-2\\3.2-1}&3.2-2\end{array}\right] \\ \\ A= \left[\begin{array}{cc}2}&1\\5&4\end{array}\right]$