In Exercises 78, use the following matrices and find an elementary matrix E that
Chapter 1, Problem 7(choose chapter or problem)
In Exercises 78, use the following matrices and find an elementary matrix E that satisfies the stated equation. A = 341 2 7 1 815 , B = 815 2 7 1 341 C = 341 2 7 1 2 7 3 , D = 8 15 6 21 3 3 41 F = 815 811 341 (a) EA = B (b) EB = A (c) EA = C (d) EC = A
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