Find the values of x1, x2, X3, X4 below. Remember that you only have to decompose the coefficient matrix once. 5x1 + 8x2 + 1x3 + 5x4 = 79.5 X3 + 7x2 + 2x4 - 13x, = 7.2 9x1 – x3 + 2x4 – 8x2 = 17.8 7x3 – X4 + 11x1 – 17x2 = 39.9 %3D

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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Q3:

Find the values of x1, x2, X3, X4 below. Remember that you only have to decompose
the coefficient matrix once.
5x1 + 8x2 + 1x3 + 5x4 = 79.5
X3 + 7x2 + 2x4 – 13x, = 7.2
= 17.8
= 39.9
%3D
9x1 – x3 + 2x4 – 8x2
7x3 – X4 + 11x1– 17x2
Transcribed Image Text:Find the values of x1, x2, X3, X4 below. Remember that you only have to decompose the coefficient matrix once. 5x1 + 8x2 + 1x3 + 5x4 = 79.5 X3 + 7x2 + 2x4 – 13x, = 7.2 = 17.8 = 39.9 %3D 9x1 – x3 + 2x4 – 8x2 7x3 – X4 + 11x1– 17x2
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