In Exercises 1116, find (a) , (b) , (c) 3A, and (d) .A = c 2 3 -1 5 d, B = c 1 -3 -2 -4
Chapter 7, Problem 7.1.1.101(choose chapter or problem)
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In Exercises 11–16, find (a) \(A+B\), (b) \(A-B\), (c) 3A, and 2A - 3B.
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