question 2

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.6: Rank Of A Matrix And Systems Of Linear Equations
Problem 77E: Let A and B be square matrices of order n satisfying, Ax=Bx for all x in all Rn. a Find the rank and...
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Let A and B be n x n matrices satisfying AB + BA = O.
(a) Suppose n is odd. Use determinants to show that either A or B is non-invertible.
(b) Find invertible 2 x 2 matrices A and B satisfying the above relation.
Transcribed Image Text:Let A and B be n x n matrices satisfying AB + BA = O. (a) Suppose n is odd. Use determinants to show that either A or B is non-invertible. (b) Find invertible 2 x 2 matrices A and B satisfying the above relation.
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