Question

efetue as multiplicações ​

Answer 1

Resposta:

Explicação passo a passo:

$\left[\begin{array}{cc}1&-1\\-2&2\end{array}\right]\left[\begin{array}{cc}3&-3\\0&4\end{array}\right] =\left[\begin{array}{cc}1*3 + (-1)*0&1*(-3)+(-1)*4\\(-2)*3+2*0&(-2)*(-3) + 2*4\end{array}\right] \\\\\\\left[\begin{array}{cc}1&-1\\-2&2\end{array}\right]\left[\begin{array}{cc}3&-3\\0&4\end{array}\right] =\left[\begin{array}{cc}3&-7\\-6&14\end{array}\right]$