[2] 1 4 7. 3 30 2 5 -1 1
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.3: Properties Of Determinants
Problem 63E: Let A be an nn matrix in which the entries of each row sum to zero. Find |A|.
Related questions
Question
7 and 14 help please
(Please us Gauss Jordan Method for 7)
![L-1
[2
23.
1
4]
7. 3 2
5
[0 -1
1
and 10, find th
erse of the
In Exercise
matrix, if it exis
-1
000c
0
0
0 0
0
Ο
600040
000300
002000
0
0
0
Show that the matrix
[2-31
is invertible, and hind
b. Use the result in find the
of t
equations
5x₁-7x=-3.
2x, - 3.x₂ = 4,
14. Using the inverse of the matrix in Exercise
7, find the solution of the system of
equations
2x + x
+ 4x₁ = 5
3x + 2x
+ 5x3 = 3
−x + x = 8.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8d8cfad-e835-4d24-9d1e-941fcbe41049%2Fbdb0a525-3981-4e42-8bfd-f2a764de7d51%2Fsaiw0hb_processed.png&w=3840&q=75)
Transcribed Image Text:L-1
[2
23.
1
4]
7. 3 2
5
[0 -1
1
and 10, find th
erse of the
In Exercise
matrix, if it exis
-1
000c
0
0
0 0
0
Ο
600040
000300
002000
0
0
0
Show that the matrix
[2-31
is invertible, and hind
b. Use the result in find the
of t
equations
5x₁-7x=-3.
2x, - 3.x₂ = 4,
14. Using the inverse of the matrix in Exercise
7, find the solution of the system of
equations
2x + x
+ 4x₁ = 5
3x + 2x
+ 5x3 = 3
−x + x = 8.
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