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(PUC-76) Sendo A = \(\begin{bmatrix} 2 & 1 \\ 3 & 2 \\ -4 & 0 \end{bmatrix}\) e B = \(\begin{bmatrix} 1 & 2 \\ 3 & -3 \\ 2 & 1 \end{bmatrix}\) o valor de 2A - B é: