Question

por favor, me ajudem! ​

Answer 1

Resposta:

Explicação passo a passo:

$A^{-1}=\left[\begin{array}{cc}\frac{1}{4} &\frac{1}{4} \\\frac{1}{2} &0\end{array}\right] \\\\\\B^{-1}=\left[\begin{array}{cc}\frac{-1}{2} &\frac{-1}{3} \\-1&-1\end{array}\right]$