Questão 870592

\(\begin{bmatrix} 4 & -1 \\ -1 & 3 \\ \end{bmatrix}\)

\(\begin{bmatrix} \frac{1}{2} & \frac{-1}{4} \\ \frac{-1}{4} & \frac{3}{8} \\ \end{bmatrix}\)

\(\begin{bmatrix} \frac{3}{4} & \frac{1}{2} \\ \frac{1}{2} & 1 \\ \end{bmatrix}\)

\(\begin{bmatrix} 9 & 4 \\ 4 & 16 \\ \end{bmatrix}\)

\(\begin{bmatrix} 1 & \frac{-1}{2} \\ \frac{-1}{2} & \frac{3}{4} \\ \end{bmatrix}\)