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10 problems: (1-2) Add matrices: [[1,2],[3,4]]+[[5,6],[7,8]]. (3) Scalar multiply: 3·[[2,-1],[0,4]]. (4-6) Matrix multiplication: [[1,2],[3,4]]·[[1],[2]], [[2,0],[1,3]]·[[1,4],[-1,2]], multiply a 2×3 by 3×2. (7) 'Can you multiply a 3×2 by 3×2? Why not?' (8) Find Aᵀ for A=[[1,2,3],[4,5,6]]. (9) Verif

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