Question

represente a matriz A= (aij)2×4 tal que aij= 2i + j

Answer 1

$\left[\begin{array}{cccc}a_1_1&a_1_2&a_1_3&a_1_4\\a_2_1&a_2_2&a_2_3&a_2_4\end{array}\right] \\ \\ \\ a_i_j = 2i + j \\ \\ \\ \left[\begin{array}{cccc}3&4&5&6\\5&6&7&8\end{array}\right]$