Question 1 1 -2 -1 1 2 -1 Let A= and assume that 1 2 -1 -2 0 -1 100 0 1 1 -1 0 0 0 0 0 0 -2 1 1 -1 B - is row equivalent to the matrix C 1 2 -2 -1 -1 -1 1 Use the above to answer the following questions. 7.1 Find a basis for the nullspace of A.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.3: Change Of Basis
Problem 15EQ
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Question 1
1 -2
1
-1
2 -1
2 -1
Let A =
and assume that
0 -1
-2
1 0 0
0 1 1 -1
0 0 0
0 0 0
1
-2
1
-1
B =
is row equivalent to the matrix C =
1
2 -2
-1 -1
-1
1
Use the above to answer the following questions.
7.1 Find a basis for the nullspace of A.
Transcribed Image Text:Question 1 1 -2 1 -1 2 -1 2 -1 Let A = and assume that 0 -1 -2 1 0 0 0 1 1 -1 0 0 0 0 0 0 1 -2 1 -1 B = is row equivalent to the matrix C = 1 2 -2 -1 -1 -1 1 Use the above to answer the following questions. 7.1 Find a basis for the nullspace of A.
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