Question

2)GIOVANNI] Obtenha a matriz B = (bij)3x3 sabendo que sua lei de formação
é bij = 3i -j​

Answer 1

Resposta:

$B=\left[\begin{array}{ccc}2&1&0\\5&4&3\\8&7&6\end{array}\right]$

Explicação passo-a-passo:

$B=\left[\begin{array}{ccc}a_1_1&a_1_2&a_1_3\\a_2_1&a_2_2&a_2_3\\a_3_1&a_3_2&a_3_3\end{array}\right] \\\\\\B =\left[\begin{array}{ccc}3.1-1&3.1-2&3.1-3\\3.2-1&3.2-2&3.2-3\\3.3-1&3.3-2&3.3-3\end{array}\right] \\\\\\B=\left[\begin{array}{ccc}2&1&0\\5&4&3\\8&7&6\end{array}\right]$