) -4 1 -7 3 Consider diagonal matrix A -4 and matrix B = 4 -5 -4 -2 9. 6. (a) Compute A.B and -4 x B. What can be observed? (b) Compute B.A and compare with the results of question (a). What can be observed?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter11: Matrices And Determinants
Section11.3: Inverses Of Matrices And Matrix Equations
Problem 1E
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Question
-4
0 0
1
-7
3
Consider diagonal matrix A
-4
and matrix B
4
-5
-4
-2
6.
(a) Compute A.B and -4 x B. What can be observed?
(b) Compute B.A and compare with the results of question (a). What can be observed?
Transcribed Image Text:-4 0 0 1 -7 3 Consider diagonal matrix A -4 and matrix B 4 -5 -4 -2 6. (a) Compute A.B and -4 x B. What can be observed? (b) Compute B.A and compare with the results of question (a). What can be observed?
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