Solve the following system by Gaussian elimination:               x1 + x2 +x3 = 2            2x1 + x2 + x3 = 3            x1 - x2 +3x3 = 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 the following system by Gaussian elimination:

 

            x1 + x2 +x3 = 2

           2x1 + x2 + x3 = 3

           x1 - x2 +3x3 = 8

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