Questão 769822

\(\begin{bmatrix} \frac{1}2{} & 1 & -1\\ -2 & 1 & 0\\ 2 & -2 & 1 \end{bmatrix}\)

\(\begin{bmatrix} 1 & -4 & 4\\ 2 & 2 & -4\\ -2 & 0 & 2 \end{bmatrix}\)

\(\begin{bmatrix} \frac{1}{2}& -2 & 2\\ 1 & 1 & -2\\ -1 & 0 & 1 \end{bmatrix}\)

\(\begin{bmatrix} \frac{-1}{2}& -1 & 1\\ 2 & -1 & 0\\ -2 & 2 & -1 \end{bmatrix}\)

\(\begin{bmatrix} \frac{1}{2}& 2 & 2\\ 1 & 1 & 2\\ 1 & 0 & 1 \end{bmatrix}\)