A nice property of the trace that was proven in the suggested exercises is that tr(AB) = tr(BA). Use this property to prove that if D is any square matrix and P is any square invertible matrix of the same size then: tr(PDP-1) = tr(D)

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A nice property of the trace that was proven in the suggested exercises is that tr(AB) = tr(BA).
Use this property to prove that if D is any square matrix and P is any square invertible matrix of
the same size then:
tr(PDP-1)= tr(D)
Use a proof by contradiction to prove that there are no nxn matrices where n is odd that have the
property A-1 = -A" (Hint: Use the determinant).
[1 2]
3 6
Let A =
Determine all square 2x2 matrices B such that: AB = BA
Transcribed Image Text:A nice property of the trace that was proven in the suggested exercises is that tr(AB) = tr(BA). Use this property to prove that if D is any square matrix and P is any square invertible matrix of the same size then: tr(PDP-1)= tr(D) Use a proof by contradiction to prove that there are no nxn matrices where n is odd that have the property A-1 = -A" (Hint: Use the determinant). [1 2] 3 6 Let A = Determine all square 2x2 matrices B such that: AB = BA
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