Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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(Ff1.3) question 15 please on paper
![-6] [2²] [₁
-1
14. a.
3
38-4
7
1
5
0
1
w
I
W
0
2
-2
X
0
b.
3
1
4
7
-2
5 1 6
Z
In Exercises 15-16, find all values of k, if any, that satisfy the
equation.
1
15. [k 1 1] 1
0
2
= 0
0
2 -3
1
2 01 2
16. [2 2 k] 2
0 3
2
= 0
0
3 1
k
In Exercises 17-20, use the column-row expansion of AB to express
this product as a sum of matrix products.
[4
-3]
0
1 2
17. A =
1212
B =
1
1
-2 3
18. A =
3B =
1 4 1]
302]
2
19. A =
3³].
B =
3 4
5
6
5
[1
3
4
3
5
-3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fccdd90b5-cd41-4340-8a36-15b102c9ba73%2F737a17c1-7b61-4c57-a62f-6c43000ff72c%2Fz6ea2cm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-6] [2²] [₁
-1
14. a.
3
38-4
7
1
5
0
1
w
I
W
0
2
-2
X
0
b.
3
1
4
7
-2
5 1 6
Z
In Exercises 15-16, find all values of k, if any, that satisfy the
equation.
1
15. [k 1 1] 1
0
2
= 0
0
2 -3
1
2 01 2
16. [2 2 k] 2
0 3
2
= 0
0
3 1
k
In Exercises 17-20, use the column-row expansion of AB to express
this product as a sum of matrix products.
[4
-3]
0
1 2
17. A =
1212
B =
1
1
-2 3
18. A =
3B =
1 4 1]
302]
2
19. A =
3³].
B =
3 4
5
6
5
[1
3
4
3
5
-3
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