College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.5: Determinants
Problem 84E
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Question
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EXERCISE 1
Based on the image attached, solve the following question.
a) Identify A + B is strictly diagonally dominant or not.
b) Identify A - B is strictly diagonally dominant or not.
![2
-1
9.
-1
3
Suppose that A= -1
4
2 and B= 1
7
-2 are strictly diagonally dominant 3×3 matrices.
2
2
8.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3346dc55-a5e8-4ec5-9fd5-4f779de21764%2Ff3448c6d-2d08-40b4-b9cb-8a695a3805ae%2Frvkni1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2
-1
9.
-1
3
Suppose that A= -1
4
2 and B= 1
7
-2 are strictly diagonally dominant 3×3 matrices.
2
2
8.
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