Given below is a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspace 1 2 3 - 5 1 2 2 7 6 12 1 4 0 0 5 A = 2 0 0 0 4 - 1 12 4 8 11 0 0 0 A basis for Col A is given by (Use a comma to separate answers as needed.) The dimension of Col A is (Type an integer.) A basis for Nul A is given by { (Use a comma to separate answers as needed.) The dimension of Nul A is|. (Type an integer.) LO

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.3: Spanning Sets And Linear Independence
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Given below is a matrix A and an echelon form of A. Find bases for

Col A and Nul A​, and then state the dimensions of these subspaces.
Given below is a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspaces.
1
2
3
- 5
1 2 2
7
6 12
1
4
0 0 5
A =
2
0 0 0
4
- 1
12
4
8
11
0 0 0
A basis for Col A is given by
(Use a comma to separate answers as needed.)
The dimension of Col A is
(Type an integer.)
A basis for Nul A is given by {
(Use a comma to separate answers as needed.)
The dimension of Nul A is|. (Type an integer.)
Transcribed Image Text:Given below is a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspaces. 1 2 3 - 5 1 2 2 7 6 12 1 4 0 0 5 A = 2 0 0 0 4 - 1 12 4 8 11 0 0 0 A basis for Col A is given by (Use a comma to separate answers as needed.) The dimension of Col A is (Type an integer.) A basis for Nul A is given by { (Use a comma to separate answers as needed.) The dimension of Nul A is|. (Type an integer.)
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