In Exercises 13–21, reduce [A|I] to find A-. In each case, check your calculations by multiplying the given matrix by the derived inverse. 13. 1 1 14. 2 3 2 3 6 7 15. 1 16. 1 -2 11 2 1 13-15 5 17. 100 18. Г 1 3 5 1 0 01 4 3 4 1 0 2 7 19. 142 20. 1 -2 2 1 0 2 1 1-1 5 3 5 3 2 -2 11 4. 028 1
In Exercises 13–21, reduce [A|I] to find A-. In each case, check your calculations by multiplying the given matrix by the derived inverse. 13. 1 1 14. 2 3 2 3 6 7 15. 1 16. 1 -2 11 2 1 13-15 5 17. 100 18. Г 1 3 5 1 0 01 4 3 4 1 0 2 7 19. 142 20. 1 -2 2 1 0 2 1 1-1 5 3 5 3 2 -2 11 4. 028 1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 44E
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#13 and #19 please.
I will really really upvote.
![In Exercises 13-21, reduce [A|I] to find A!. In each
case, check your calculations by multiplying the given
matrix by the derived inverse.
[
13.
1
1
14.
2 3
2 3
6 7
15.
1 2
16.
-1 -2
11
2 1
1
3 -15
0 -1
17.
100
0
18.
1 3 5
21 0
0 1 4
3 4 1
02 7
19.
1 4 2
20. r 1-2
1 -2 2
0 2 1
1 -1 5
3 5 3
2 -2 11
2
4.
0 2 8
1
10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F99d61411-e0a7-446a-b547-a01ef50bc4ee%2F1f53762a-0edc-446b-b33b-da2cff4d9c4a%2F4gjjo4p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In Exercises 13-21, reduce [A|I] to find A!. In each
case, check your calculations by multiplying the given
matrix by the derived inverse.
[
13.
1
1
14.
2 3
2 3
6 7
15.
1 2
16.
-1 -2
11
2 1
1
3 -15
0 -1
17.
100
0
18.
1 3 5
21 0
0 1 4
3 4 1
02 7
19.
1 4 2
20. r 1-2
1 -2 2
0 2 1
1 -1 5
3 5 3
2 -2 11
2
4.
0 2 8
1
10
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