Resposta :
Resposta:
[tex]A=\left[\begin{array}{ccc}0&-1&-2\\1&0&-1\\\end{array}\right][/tex]
Explicação passo a passo:
[tex]A=\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=\left[\begin{array}{ccc}0&-1&-2\\1&0&-1\\\end{array}\right][/tex]