Question

B = (bij)3x1, tal que bij = 2.i + 2.j

Answer 1

Resposta:

b11 = 2.1 - 3.1 = -1

b12 = 2.1 - 3.2 = -4

b21 = 2.2 - 3.1 = 1

b22 = 2.2 - 3.2 = -2

Explicação passo a passo:

espero ter ajudado

Answer 2

Resposta:

$B=\left[\begin{array}{ccc}4\\6\\8\end{array}\right]$

Explicação passo a passo:

$\\B=\left[\begin{array}{ccc}a_1_1\\a_2_1\\a_3_1\end{array}\right] \\\\a_1_1=2.1+2.1=2+2=4\\\\a_2_1=2.2+2.1=4+2=6\\\\a_3_1=2.3+2.1=6+2=8\\\\\\B=\left[\begin{array}{ccc}4\\6\\8\end{array}\right]$