College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.2: Guassian Elimination And Matrix Methods
Problem 89E
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The nature and number of solutions of a given system of equations can be predicted by augmented matrix method which deals with finding out the ranks of augmented matrix and coefficient matrix.
To find the rank, the augmented matrix is first converted to its row echelon form. From the row echelon form, the number of rows which consist of at least one non zero element is the rank of the matrix.
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