Compute AB, det(A), det(B), det(AB), and det(A + B) for the following matrices. 1 -1 0 -2 0 4 2 and B = -1 1 -1 1 4 |-1 -1 AB = -1 11 |-10 13 det(A) = -8 det(B) = -26 det(AB) = 234 det(A + B) = -101

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.2: The Algebra Of Matrices
Problem 61E
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Compute AB, det(A), det(B), det(AB), and det(A + B) for the following matrices.
1 -1 0
-2 0
4 2
and B =
-1
1 -1
1 4
|-1
-1
AB =
-1
11
|-10
13
det(A) =
-8
det(B) = -26
det(AB) = 234
det(A + B) = -101
Transcribed Image Text:Compute AB, det(A), det(B), det(AB), and det(A + B) for the following matrices. 1 -1 0 -2 0 4 2 and B = -1 1 -1 1 4 |-1 -1 AB = -1 11 |-10 13 det(A) = -8 det(B) = -26 det(AB) = 234 det(A + B) = -101
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