Suppose the third column of B is the sum of the first two columns. What can you
Question:
Suppose the third column of B is the sum of the first two columns. What can you say about the third column of AB? Why?
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Write B b 1 b 2 b 3 Bydefinitionthethird columnofABisAb 3 Byhypothesis b 3 b 1 b 2 So Ab 3 Ab 1 b 2 Ab 1 Ab 2 by a property of matrixvector multiplication Thus the third column ...View the full answer
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Related Book For 
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald
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