11. The reduced row echelon form of122 -1 3 14-26 3is-1 3-1 -2 11 2 -1 0 0(a)0 0 0 1 0000011 2-1 0-4(b)00 00-200 01-11 2 -105(c)00109(d)00 0 1 21 2 -1 080000011000(e) None of the above.

Answered: Image /qna-images/answer/d0d3ee58-395f-4d6b-ab6e-7713a2c49bf1.jpg

1 2-1 3 1 11. The reduced row echelon form of 2 4 -2 6 3 is -1 -2 1-1 3 1 2 -1 00 (a) 00 01 0 00 0 0 1 1 2 -10 -4 (b) 00 00-2 00 0 1 -1 12-105 (c) 00 109 00 0 12 1 2 -1 08 (d) 0 0 011 00 000 (e) None of the above.

1 2-1 3 1 11. The reduced row echelon form of 2 4 -2 6 3 is -1 -2 1-1 3 1 2 -1 00 (a) 00 01 0 00 0 0 1 1 2 -10 -4 (b) 00 00-2 00 0 1 -1 12-105 (c) 00 109 00 0 12 1 2 -1 08 (d) 0 0 011 00 000 (e) None of the above.

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 15EQ: 15. Reverse the elementary row operations used in Example 2.9 to show that we can convert

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Question

11. The reduced row echelon form of
1
2
2 -1 3 1
4-2
6 3
is
-1 3
-1 -2 1
1 2 -1 0 0
(a)
0 0 0 1 0
00
001
1 2-1 0-4
(b)
00 00-2
00 01-1
1 2 -105
(c)
00
109
(d)
00 0 1 2
1 2 -1 08
00
00
011
000
(e) None of the above.

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