Matrices, Vectors: Addition and Scalar Multiplication [O 2 4 5 2 21 4 1 A = = 16 5 В — 5 3 4 -2 4 D = 5 = li 0 -3] -2 4 -2] 2 -- 1.5 a = b = Problem 7: 2C - D, C - D, D - C, 2C + 4D

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