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Dadas as matrizes A = \(\begin{pmatrix} -2 & 3 \ 2 & 3 \end{pmatrix}\) e B = \(\begin{pmatrix} 1 & -1 \ -4 & -2 \end{pmatrix}\), analisar os itens abaixo: I) A2 + B2 = \(\begin{pmatrix} 5 & 10 \ 20 & 13 \end{pmatrix}\).
II) A x B = \(\begin{pmatrix} -2 & -3 \ -8 & -6 \end{pmatrix}\).