Solve using Gaussian Elimination with back-substit 3x12x2 + 4x3 = 1 1 + x2 - 2x3 = 3 2x13x2 + 6x3 = 8

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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Solve using Gaussian Elimination with back-substitution or Gauss Jordan
3x12x2 + 4x3 = 1
*1 + x2 - 2x3
-
3
2x13x2 + 6x3 = 8
O #₁ = -3, ₂ = −5, 23 = -7
O #₁ = 2, x₂ = 4, x3 = 6
O No solution
O #₁ = 3, x₂ = 5, 23 = 7
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Transcribed Image Text:Solve using Gaussian Elimination with back-substitution or Gauss Jordan 3x12x2 + 4x3 = 1 *1 + x2 - 2x3 - 3 2x13x2 + 6x3 = 8 O #₁ = -3, ₂ = −5, 23 = -7 O #₁ = 2, x₂ = 4, x3 = 6 O No solution O #₁ = 3, x₂ = 5, 23 = 7 Next ▸
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