In Exercise 81, AB = A and BA = A. For this pair of matrices, B acts
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In Exercise 81, AB = A and BA = A. For this pair of matrices, B acts the same way for matrix multiplication as the number acts for multiplication of real numbers.
Exercise 81
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-1 |A = 1, B = | 0 1 -1
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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