Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter1: Introduction To Algebra
Section1.2: Grouping Symbols
Problem 7MRE
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Question
Solve the system of equations using Gaussian elimination
Expert Solution
Step 1
To apply Gauss elimination to the given system of three equations in three unknowns
Step 2
The equations have mixed terms in the unknowns x, y and z, Gauss elimination attempts by systematic row transformation to bring down to equations in one unknown (only), so that they can be solved easily
Step 3
Notice that the last row has all elements 0, indicating that the system has infinitely many solutions (z is not uniquely determined)
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