Catalonia PAU Mathematics II (Matemàtiques II - CIC 2026)

Practice session

Given matrices $A = \begin{pmatrix} 2 & -1 \\ 3 & 4 \end{pmatrix}$ and $B = \begin{pmatrix} 1 & 5 \\ -2 & 0 \end{pmatrix}$, compute the matrix $2A - 3B$.

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