Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 46E
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Question
Find (a) a basis for the column space and (b) the rank of the matrix.
Expert Solution
Step 1
Given:
The matrix is
Step 2
To determine:
(a)
The basis of the given matrix
Step 3
Explanation:
The matrix is
Convert the given matrix in the row echelon form,
Add the first row in the second row of the matrix,
Divide row 2 by 4
Subtract row 2 multiplied by 2 from row 1
Here the first and second column are pivot columns
The basis for the column space is the pivot columns from the original matrix
Therefore, the basis for the column matrix,
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