Given : x + 2y + z = 3 ay + 5z = 10 2x + 7y + az = b Question: Find those value of a which the system has a unique solution?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
Problem 6T: Use Gaussian elimination to find the complete solution of the system, or show that no solution...
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Given :

x + 2y + z = 3

ay + 5z = 10

2x + 7y + az = b

Question:

Find those value of a which the system has a unique solution?

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