Reduce A to U and find det A = product of the pivots: 1 1 1 [1 2 3 A: = 1 2 2 A = 2 2 3 1 2 3 3 3 3

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 70E
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I need help with this please, thanks.

Reduce A to U and find det A
= product of the pivots:
1
1
1
[1 2
3
A:
=
1
2 2
A
=
2 2 3
1
2
3
3 3 3
Transcribed Image Text:Reduce A to U and find det A = product of the pivots: 1 1 1 [1 2 3 A: = 1 2 2 A = 2 2 3 1 2 3 3 3 3
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