• Consider the system 2x1 – 6x2 – x3 = -38 — 3х1 — х2 + 7Хз = -34 -8x1 + x2 – 2x3 = -20 (i) Write the system in AX= B. 1 Given the decomposition of matrix A is L = -3/2 -4 (ii) 1 0 and 23/10 -6 -1 -5 -43 а U=(0 -10 1 -62 b -11 11/2 -373/20/ and the Al = 373 -11 -20. | Find a, b and c.
• Consider the system 2x1 – 6x2 – x3 = -38 — 3х1 — х2 + 7Хз = -34 -8x1 + x2 – 2x3 = -20 (i) Write the system in AX= B. 1 Given the decomposition of matrix A is L = -3/2 -4 (ii) 1 0 and 23/10 -6 -1 -5 -43 а U=(0 -10 1 -62 b -11 11/2 -373/20/ and the Al = 373 -11 -20. | Find a, b and c.
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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Transcribed Image Text:(c) Consider the system
2х1 — бх, — Хз — 38
— Зх1 — х2 + 7Хз
:-34
-8x1 + x2 – 2x3 = -20
(i)
Write the system in AX = B.
1
0 | and
23/10 1.
(ii)
Given the decomposition of matrix A is L=
-3/2
-4
-6
-1
-43
b -11
-5
a
1
U = (0 -10
and the Al:
11/2
-373/20,
-62
373
-11
C
-20/
Find a,
b and c.
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