Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Solve by hand (using back-substitution or whatever method you like);
Transcribed Image Text:(a)
2x1 + 3x2
4
4x2
-9
-
(b)
2.x1 + 2x2 + 3x3
7
X1 – x2 + 4.x3
-3
-2x1 + 4x2 + 2x3
(c)
2x1 + 2x2 + 3x3
= 7
X1 – x2 + 4.x3
-3
3x1 + x2 + 7x3
4
||
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