A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A.A =12- 1 - 4- 20310Find a basis for Col A.33 - 15- 1029841423 -7 - 331 6 17 0 402 70-1000 170 0 00 0

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A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A. A = 1 2 - 1 -4 - 10 - 2 0 3 10 3 - 3 - 15 2 9 8 4 14 23 -7 - 33 Find a basis for Col A. w 16 17 0 4 02 70-1 00 01 7 00 00 0

A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A. A = 1 2 - 1 -4 - 10 - 2 0 3 10 3 - 3 - 15 2 9 8 4 14 23 -7 - 33 Find a basis for Col A. w 16 17 0 4 02 70-1 00 01 7 00 00 0

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter5: Orthogonality

Section: Chapter Questions

Problem 15RQ

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Question

A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A.
A =
1
2
- 1 - 4
- 2
0
3
10
Find a basis for Col A.
3
3 - 15
- 10
2
9
8
4
14
23 -7 - 33
1 6 17 0 4
02 70-1
00
0 1
7
0 0 00 0

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