Question

obter a matriz A =(aij)2×2 defina por aij=3i-j

Answer 1

$(aij)2.2 , aij=3i-j$

$A =\left[\begin{array}{ccc}a11&a12\\a21&a22&\end{array}\right]$

$i=linha , j =coluna$

$aij=3i-j$

$\left[\begin{array}{ccc}3.1-1&3.1-2&\\3.2-1&3.2-2&\\\end{array}\right]$

$A= \left[\begin{array}{ccc}2&1\\5&4\\\end{array}\right]$