chat A is transformed into U by the elementary row operations below, find L. -2 0 2 -8 0 0 -3 5 1 -2 -2 5 1 2R1+R3¬R3 -2R1+R2→R2 10 4 -12 10 4 -12 = U -10 -2 1 -3 Ex: 42

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 14E
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Can someone explain how to find L in this problem?

Given that A is transformed into U by the elementary row operations below, find L.
1
-2
1
-2
5 1
-2
2R1+R3¬R3
-2R1+R2→R2
A =
10
4
-12
10
4 -12
0 2
-8
= U
-10 -2
1
-3
0 0
-3
Ex: 42
L =
Transcribed Image Text:Given that A is transformed into U by the elementary row operations below, find L. 1 -2 1 -2 5 1 -2 2R1+R3¬R3 -2R1+R2→R2 A = 10 4 -12 10 4 -12 0 2 -8 = U -10 -2 1 -3 0 0 -3 Ex: 42 L =
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