Matrix A is order 7 ⨯ 6 and matrix B is order 2 ⨯ 7. Find the order of AB and BA, if they exist. (If an answer does not exist, enter DNE.)
Matrix A is order 7 ⨯ 6 and matrix B is order 2 ⨯ 7. Find the order of AB and BA, if they exist. (If an answer does not exist, enter DNE.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.7: The Inverse Of A Matrix
Problem 6E
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Matrix A is order 7 ⨯ 6 and matrix B is order 2 ⨯ 7. Find the order of AB and BA, if they exist. (If an answer does not exist, enter DNE.)
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