Find the inverse of A   A=  -1   2   1   1   2   0  -1   3   1

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.3: The Inverse Of A Square Matrix
Problem 3ECP
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Find the inverse of A

 

A=

 -1   2   1

  1   2   0

 -1   3   1

 

 

 

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