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In Exercises 1-12, find the products AB and BA to determine whether B is the multiplicative inverse of A.
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Algebra and Trigonometry (6th Edition)
- Linear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage LearningElements Of Modern AlgebraAlgebraISBN:9781285463230Author:Gilbert, Linda, JimmiePublisher:Cengage Learning,