Find the following expression, indicating which of the rules in (3) or (4) they illustrate, or give
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2A + 4B, 4B + 2A, 0A + B, 0.4B - 4.2A
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Let 4 A 6. B = 3 -3 -2 4 -2 2 -4 D =| -2 5 1 -1 2. 27 E = 3 4 1.5 3 w =-30 -3.0 10
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