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