Ο 11 ΓΟ Let A = 2 40 Shown below is a sequence of elementary row operations that reduces A to the identity. L3 0 Find elementary matrices E₁, E2, E3, and E4 corresponding to the row operations shown below (in the order shown) such that Е4E3E₂E₁A = I. ГО 923 0 4 L3 0 1 0 O O OJ R₁ R3 [30 4 0 LO 07 1 1 3R₁ R₁ 0 0 4 0 [1 2 LO 0 1. -2R₁+R₂ R₂ [1 Lo 0 01 4 O 1. R₂ R₂ 0 1 →10 1 LO 0 0 0 1
Ο 11 ΓΟ Let A = 2 40 Shown below is a sequence of elementary row operations that reduces A to the identity. L3 0 Find elementary matrices E₁, E2, E3, and E4 corresponding to the row operations shown below (in the order shown) such that Е4E3E₂E₁A = I. ГО 923 0 4 L3 0 1 0 O O OJ R₁ R3 [30 4 0 LO 07 1 1 3R₁ R₁ 0 0 4 0 [1 2 LO 0 1. -2R₁+R₂ R₂ [1 Lo 0 01 4 O 1. R₂ R₂ 0 1 →10 1 LO 0 0 0 1
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.3: Matrix Algebra
Problem 8E
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Transcribed Image Text:ΓΟ Ο 11
L3 0
Let A = 240 Shown below is a sequence of elementary row operations that reduces A to the identity.
Find elementary matrices E₁, E2, E3, and E4 corresponding to the row operations shown below (in the order
shown) such that E₁E3E₂E₁A = I.
ГО О 1
24 0
L3 0 OJ
R₁ R3
[3 0
2 4 0
LO 0
R₁ R1
[1 0 01
24 0
LO
0 1
-2R₁+R₂-R₂
[1 0 01
04
1.
1
R₂ R₂
[10
→ 10
0
01
0
1.
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