[ 1 2 -1 1 Exercise 2.5.3 Let A = and C = 1 1 2 1 a. Find elementary matrices E, and E2 such that C = E2E,A. b. Show that there is no elementary matrix E such that C = EA. essss

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 10CM: Find ATA for the matrix A=[531246]. Show that this product is symmetric.
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1 2
-1 1
Exercise 2.5.3
Let A =
and C =
1
2 1
a. Find elementary matrices E, and E2 such that
C = E,E¡A.
b. Show that there is no elementary matrix E
such that C = EA.
Transcribed Image Text:1 2 -1 1 Exercise 2.5.3 Let A = and C = 1 2 1 a. Find elementary matrices E, and E2 such that C = E,E¡A. b. Show that there is no elementary matrix E such that C = EA.
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