Question

Encontre os elementos da matriz a2x1 ,sendo aij= -i-j2

Answer 1

Resposta:

$A_2_x_1=\left[\begin{array}{cc}-2\\-3\end{array}\right]$

Explicação passo a passo:

$A_2_x_1=\left[\begin{array}{cc}a_1_1\\a_2_1\end{array}\right] \\\\a_i_j=-i-i^2\\\\a_1_1=-1-1^2=-1-1=-2\\\\a_2_1=-2-1^2=-2-1=-3$