Question

matriz A=[aig]3x3,tal que aig=2i+j

Answer 1

$\left[\begin{array}{ccc}a_{11}&a_{12}&a_{13}\\a_{21}&a_{22}&a_{23}\\a_{31}&a_{32}&a_{33}\end{array}\right] \\ \\ a_{11} = 2.1+1 = 3\\a_{12} = 2.1+2 = 4\\a_{13} = 2.1 + 3 = 5\\a_{21}=2.2+1=5\\a_{22} = 2.2+2=6\\a_{23}=2.2+3=7\\a_{31}=2.3+1=7\\a_{32}=3.2+2=8\\a_{33} = 3.2+3=9$

Transpondo esses valores pra Matriz Final:
$\left[\begin{array}{ccc}3&4&5\\5&6&7\\7&8&9\end{array}\right]$