Question

escreva as matrizes A=(a i j)2×3 tal que a i j =i+j​

Answer 1

Resposta:

$A_2_x_3=\left[\begin{array}{ccc}2&3&4\\3&4&5\\\end{array}\right]$

Explicação passo a passo:

$A_2_x_3=\left[\begin{array}{ccc}a_1_1&a_1_2&a_1_3\\a_2_1&a_2_2&a_2_3\\\end{array}\right]\\\\ a_1_1=1+1=2\\\\a_1_2=1+2=3\\\\a_1_3=1+3=4\\\\a_2_2=1+2=3\\\\a_2_2=2+2=4\\\\a_2_3=2+3=5$