Consider the matrix 1 -1 0 1 -1 1 2 A = -1 4 1 1 -1 0 -1 1 2 -2 8 2 -2 2 -2 4 (la) Find bases for the column and null spaces of A. (1b) Find bases for the column and null spaces of AT. (lc) Find bases for the column and null spaces of AAT. (Note:Shortcuts are not allowed)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.2: Direct Methods For Solving Linear Systems
Problem 22EQ: Consider the matrix A=[2314]. Show that any of the three types of elementary row operations can be...
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I need the 1C answer please.

Consider the matrix
1 -1
0 1
-1
1
1
-1 4
1
-1
A =
0 -1
1
2 -2
4
-2 8
-2
(la) Find bases for the column and null spaces of A.
(1b) Find bases for the column and null spaces of AT.
(lc) Find bases for the column and null spaces of AAT. (Note:Shortcuts are not allowed)
(1d) Find bases for the column and null spaces of ATA. (Note:Shortcuts are not allowed)
(le) Conjecture the shortcut. Then use it to find bases for the null spaces of (AA")² and (AT A)².
Transcribed Image Text:Consider the matrix 1 -1 0 1 -1 1 1 -1 4 1 -1 A = 0 -1 1 2 -2 4 -2 8 -2 (la) Find bases for the column and null spaces of A. (1b) Find bases for the column and null spaces of AT. (lc) Find bases for the column and null spaces of AAT. (Note:Shortcuts are not allowed) (1d) Find bases for the column and null spaces of ATA. (Note:Shortcuts are not allowed) (le) Conjecture the shortcut. Then use it to find bases for the null spaces of (AA")² and (AT A)².
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