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Question 2: The 3x3 matrices A and B are defined in term of a constant k by: 2 -1 [k [1 -3 21 and k A 1 B %3D %3D 15 -1 1. L4 1 1 a) Find an expression for det A, in terms of k. ~ b) Find the possible values of k given that AB is singular.

Question 2: The 3x3 matrices A and B are defined in term of a constant k by: 2 -1 [k [1 -3 21 and k A 1 B %3D %3D 15 -1 1. L4 1 1 a) Find an expression for det A, in terms of k. ~ b) Find the possible values of k given that AB is singular.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question 2: The 3x3 matrices A and B are defined in term of a constant k by: [1 -3 [k A = 15 9. 27 1 0. and B = -1 -1 11 [4 1 1 a) Find an expression for det A, in terms of k. e N b) Find the possible values of k given that AB is singular.
Transcribed Image Text:Question 2: The 3x3 matrices A and B are defined in term of a constant k by: [1 -3 [k A = 15 9. 27 1 0. and B = -1 -1 11 [4 1 1 a) Find an expression for det A, in terms of k. e N b) Find the possible values of k given that AB is singular.
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