Find the bases for Col A and Nul A, and then state the dimension of these subspaces for the matrix A and an echelon form of A below. A = 1 2 3 7 -3-12-24 13 4 -1 -7 12 0 -8 2 23 28 0 - 17 3 1 3 4 -1 -7 0 14 2 6 000 1 4 000 0 0
Find the bases for Col A and Nul A, and then state the dimension of these subspaces for the matrix A and an echelon form of A below. A = 1 2 3 7 -3-12-24 13 4 -1 -7 12 0 -8 2 23 28 0 - 17 3 1 3 4 -1 -7 0 14 2 6 000 1 4 000 0 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Find the bases for Col A and Nul A, and then state the dimension of these subspaces for the matrix A and an echelon form of A below.
A =
1
4 -1 -7
2
12
0
- 8
-3 -12 -24
2 23
3 13 28
0 - 17
3
7
A basis for Col A is given by
1
2
IN
1 3 4 -1 -7
014
2 6
000
1 4
000
0
0
3
7
- 12
2 2
- 3
3
13
(Use a comma to separate vectors as needed.)
The dimension of Col A is 3.
N
A basis for Nul A is given by -
(Use a comma to separate vectors as needed.)
-1
0
2
0
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