a) 4 · A = [4 · 1 4 · 2 4 · 3] = [4 8 12]
b) 1/3 • A = [1/3 · 1 1/3 · 2 1/3 · 3] = [1/3 2/3 1]
c) -2 • A = [(- 2) · 1 (- 2) · 2 (- 2) · 3] = [- 2 - 4 - 6]
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a) 4 · A = [4 · 1 4 · 2 4 · 3] = [4 8 12]
b) 1/3 • A = [1/3 · 1 1/3 · 2 1/3 · 3] = [1/3 2/3 1]
c) -2 • A = [(- 2) · 1 (- 2) · 2 (- 2) · 3] = [- 2 - 4 - 6]