a. Find the diagonal entries of AB by inspection. 60 0 B = 1 5 0 32 6 A = 40 -2 0 -3 0 0 7

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.5: Applications Of Matrices And Determinants
Problem 3ECP
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4. a. Find the diagonal entries of AB by inspection.
A =
=
400
-2 0 0,
-3
0 7
B =
600
1 50
326
Transcribed Image Text:4. a. Find the diagonal entries of AB by inspection. A = = 400 -2 0 0, -3 0 7 B = 600 1 50 326
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