Question

matriz A=(aij)3x3onde aij={i+j,se i=j 0


































































escreva a matriz A=(a i j) 3 x
3 onde ai j= {i+j, se i=j 0,se i diferente de j

Answer 1

$\left[\begin{array}{ccc}1=1&1+2&1+3\\2+1&2=2&2+3\\3+1&2+3&3=3\end{array}\right]$

$\left[\begin{array}{ccc}0&3&4\\3&0&5\\4&5&0\end{array}\right]$