Resposta:
[tex]\left[\begin{array}{ccc}3&5\\1&2\end{array}\right][/tex]
Explicação passo a passo:
A inversa da matriz A é [det(A)] ⁻¹ adj(A)
[tex]\left[\begin{array}{ccc}2&-5\\-1&3\end{array}\right] ^{-1}=\frac{1}{6-5} \left[\begin{array}{ccc}3&5\\1&2\end{array}\right]=\left[\begin{array}{ccc}3&5\\1&2\end{array}\right][/tex]
