Questão 2693334

\(\begin{bmatrix} 2 & & 4 \\ 3& & 6 \\ \end{bmatrix}\)

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

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

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