Question

alguém me ajuda!!!!!!!
isso é pra semana que vem prfvr!!!​

Answer 1

Resposta:

Explicação passo a passo:

$A = \left[\begin{array}{ccc}1&0&2\\4&1&3\\\end{array}\right] \\\\\\B = \left[\begin{array}{ccc}3&0&1\\4&2&-1\\\end{array}\right] \\\\\\A-B= \left[\begin{array}{ccc}1-3&0-0&2-1\\4-4&1-2&3-(-1)\\\end{array}\right] \\\\\\A-B = \left[\begin{array}{ccc}-2&0&1\\0&-1&4\\\end{array}\right]$