7. Systems of Equations & Matrices
Determinants and Cramer's Rule
15:15 minutesProblem 9c
Textbook Question
Textbook QuestionIn Exercises 1 - 12, find the products AB and BA to determine whether B is the multiplicative inverse of A. 1 2 3 7/2 - 3 1/2 A = 1 3 4 B = - 1/2 0 1/2 1 4 3 - 1/2 1 - 1/2
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