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Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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
Transcribed Image Text:6. Suppose the augmented matrices below correspond to either a system of linear equa-
tions in 2 variables (x, y) or system of linear equations in 3 variables (x, y,z). These
matrices may or may not be in RREF. You
you need to in order to determine the solutions.
NOT need to put them into RREF unless
What are the solutions to the system? If there are solutions, please write your answer
as (x, y) or (x, y,z). If there are infinitely many solutions, please write your point in
terms of one variable (you may choose the variable).
1 0
0 1 -7
0 0
2
(a)
1
-6
1 0 0
0 1 0-4
0 0 1
9
(b)
9
1 0
(c)
0 1
-4
0 0
1 0 -4
(d)
0 1 -3
1 5 7
0 0 0
0 0 0
(e)
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