Find - Consider the following Gauss-Jordan reduction: [176 35 07 0 1 5 0 0 25 1 0 0 ⠀⠀⠀⠀⠀ 0 0 1 → 25 5 0 0 01 E₂E, A E₂ 176 35 0 0 0 1 25 5 0 Write A as a product A = Е₁ ¹Е² ¹Ê¸ ¹Е ¹ of elementary matrices: 1 0 0 25 5 0 ₁A 1 0 0 5 1 0 0 01 E₂E₂E₁ A 1 00 0 1 0 •=•=•=•= E3 001 E₁E₂E₂E₁ A = I

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Find
E₁ =
- Consider the following Gauss-Jordan reduction:
E₂ =
176 35 07
0
0 1
25
5 0
1 0 0
B-W-W-W-W-
25 5 0
0 0 1
E₂E₁A
176 35
0 0 1
25 5 0
Write A as a product A = E₁¹E, ¹E, ¹E ¹ of elementary matrices:
1 0
0 0 1
25 5 0
E, A
E3 =
[1 0 0
5 1 0
0 0 1
E₂E₂E₁ A
1
00
0 1
0
00 1
E₁ =
E₁E₂E₂E₁ A
= I
Transcribed Image Text:Find E₁ = - Consider the following Gauss-Jordan reduction: E₂ = 176 35 07 0 0 1 25 5 0 1 0 0 B-W-W-W-W- 25 5 0 0 0 1 E₂E₁A 176 35 0 0 1 25 5 0 Write A as a product A = E₁¹E, ¹E, ¹E ¹ of elementary matrices: 1 0 0 0 1 25 5 0 E, A E3 = [1 0 0 5 1 0 0 0 1 E₂E₂E₁ A 1 00 0 1 0 00 1 E₁ = E₁E₂E₂E₁ A = I
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