Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 9E
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Q.3 (20 marks)
[1 -1 2]
A = 2
1 -2 11X
A- Find the invers matrix
3 1
%3D
Transcribed Image Text:Q.3 (20 marks) [1 -1 2] A = 2 1 -2 11X A- Find the invers matrix 3 1 %3D
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