2x1 - x₂ + x3 + 3x4 5x13x₂ + 2x3 + 6x4 3x₁ − 2x2 + 2x3 + 5x4 2X1 – X2 + 3x3 + 74 2, 5, เว 1, 1.

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 in reduced row echelon form by Gaussian elimination
2x1 − x2 + x3 + 3x4
5x₁ − 3x₂ + 2x3 + 6x4
-
31
-
- 2x₂ + 2x3 + 5x4
-
21 – 2 + 33 + 74
–
=
=
=
2,
5,
1,
1.
Transcribed Image Text:2x1 − x2 + x3 + 3x4 5x₁ − 3x₂ + 2x3 + 6x4 - 31 - - 2x₂ + 2x3 + 5x4 - 21 – 2 + 33 + 74 – = = = 2, 5, 1, 1.
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