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5. x₁ + x₂ + 2x3 = 8 -x₁ = 2x₂ + 3x3 = 1 3x1 - 7x₂ + 4x3 = 10

5. x₁ + x₂ + 2x3 = 8 -x₁ = 2x₂ + 3x3 = 1 3x1 - 7x₂ + 4x3 = 10

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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In Exercises 5-8, solve the system by Gaussian elimination.
Transcribed Image Text:In Exercises 5-8, solve the system by Gaussian elimination.
5. x₁ + x₂ + 2x3 = 8 - ·x₁ − 2x₂ + 3x3 = 1 3x1 7x₂ + 4x3 = 10
Transcribed Image Text:5. x₁ + x₂ + 2x3 = 8 - ·x₁ − 2x₂ + 3x3 = 1 3x1 7x₂ + 4x3 = 10
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