The matrix a 9. U = 0 d must 0 f have linearly dependent 0. columns if f = 0 b = c= 0 e = 0 %3D a = 0

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 82E: Use an example chosen from 22 matrices to show that for nn matrices A and B,ABBA but AB=BA.
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The matrix
a
U =
0 d
must
0 0 f
have linearly dependent
columns if
Of = 0
b= c = 0
e = 0
Da = 0
Transcribed Image Text:The matrix a U = 0 d must 0 0 f have linearly dependent columns if Of = 0 b= c = 0 e = 0 Da = 0
Which of the following must
be true?
Select all possible answers.
For any two n x nmatrices A and B
we must have AB = BA
For an invertible matrix M, we may
find a large natural number n such
that M" is NOT invertible.
1.
If M =
0 1 0
then
0 0 1
M3 + M² = 2M
There are some non-invertible
elementary matrices.
Transcribed Image Text:Which of the following must be true? Select all possible answers. For any two n x nmatrices A and B we must have AB = BA For an invertible matrix M, we may find a large natural number n such that M" is NOT invertible. 1. If M = 0 1 0 then 0 0 1 M3 + M² = 2M There are some non-invertible elementary matrices.
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