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Dadas as matrizes A = \(\begin{pmatrix} 2 & 0 \\ 3 & 1 \end{pmatrix}\) e B = \(\begin{pmatrix} 2 & 3 \\ 1 & 0 \end{pmatrix}\), analisar os itens abaixo: I) At + Bt = \(\begin{pmatrix} 4 & 3 \\ 3 & 0 \end{pmatrix}\)
II) 2B = \(\begin{pmatrix} 4 & 6 \\ 2 & 0 \end{pmatrix}\)