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Suppose that the following matrix A is the augmented matrix for a system of linear equations. 1 3 4 A = 2 -1 -2 a? -1 -7 -11 а where a is a real number. What is the sum of all values of a that will make the system consistent has at least one solution)?

Suppose that the following matrix A is the augmented matrix for a system of linear equations. 1 3 4 A = 2 -1 -2 a? -1 -7 -11 а where a is a real number. What is the sum of all values of a that will make the system consistent has at least one solution)?

Advanced Engineering Mathematics
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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Suppose that the following matrix A is the augmented matrix for a system of linear equations. 1 2 3 4 -2 a? -1 -7 -1 A = 2 -1 a where a is a real number. What is the sum of all values of a that will make the system consistent (it has at least one solution)?
Transcribed Image Text:Suppose that the following matrix A is the augmented matrix for a system of linear equations. 1 2 3 4 -2 a? -1 -7 -1 A = 2 -1 a where a is a real number. What is the sum of all values of a that will make the system consistent (it has at least one solution)?
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