Question

escreva a matriz A=​

Answer 1

Resposta:

Explicação passo-a-passo:

$\left[\begin{array}{cccc}-1&-3&-5&-7\\0&-2&-4&-6\\1&-1&-3&-5&\end{array}\right] \\\\aij = i - 2 j\\\\a11 = 1 - 2.1 = -1\\a12 = 1 - 2.2 = -3 \\a13 = 1 - 2.3 = -5\\a14 = 1 - 2.4 = -7\\\\a21  = 2 - 2 .1 = 0\\a22 = 2 - 2 .2 = -2 \\a23 = 2 - 2 .3 = -4\\a24 = 2 - 2 .4 = -6\\\\a31 = 3 -2 .1 = 1\\a32 = 3 -2 .2 = -1\\a33 = 3 -2 .3 = -3\\a34 = 3 -2.4 = -5$