Question

obter a matriz B = (bij)2x2 definida por bij= 3i +j - 1

Answer 1

$B=\left[\begin{array}{ccc}b_{11}&b_{12}\\b_{21}&b_{22}\end{array}\right]$

$b_{ij}\rightarrow b_{12}\rightarrow i=1;j=2$

$\left[\begin{array}{ccc}3&4\\6&7\end{array}\right]$