Question

Determine a matriz B= (bij) 4x2, tal que bij= 3i-j

Answer 1

$B= \left[\begin{array}{ccc}b_{11}&b_{12}\\b_{21}&b_{22}\\b_{31}&b_{32}\\b_{41}&b_{42}\end{array}\right]$

$B= \left[\begin{array}{ccc}3.1-1&3.1-2\\3.2-1&3.2-2\\3.3-1&3.3-2\\3.4-1&3.4-2\end{array}\right] \\ \\ \\ B= \left[\begin{array}{ccc}2&1\\5&4\\8&7\\11&10\end{array}\right]$