2.1.11 A matrix A E Mn(C) is called nilpotent if there exists a positive integer k such that Ak = 0. %3D (a) Show that A is nilpotent if and only if all of its eigen- values equal 0. (b) Show that if A is nilpotent then Ak = 0 for some k
2.1.11 A matrix A E Mn(C) is called nilpotent if there exists a positive integer k such that Ak = 0. %3D (a) Show that A is nilpotent if and only if all of its eigen- values equal 0. (b) Show that if A is nilpotent then Ak = 0 for some k
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Eigenvalues And Eigenvectors
Section7.1: Eigenvalues And Eigenvectors
Problem 80E
Related questions
Question
2.1.11
![**2.1.20
2.1.11 A matrix A E Mn(C) is called nilpotent if there
exists a positive integer k such that Ak = 0.
spectral
out relying
rem 2.1.4)
(a) Show that A is nilpotent if and only if all of its eigen-
values equal 0.
(b) Show that if A is nilpotent then Ak= 0 for some
k<n.
(a) Sho
(b) Sho
(c) Con
tion
tion
** 2.1.12 Suppose that A E M,(C) has eigenvalues
M,12,..., An (listed according to algebraic multiplicity).
Show that A is normal if and only if
2.1.21
A* =-A).
(a) Shc
(b) Shc](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5d456ce1-cbfb-470f-8ef9-05bd7d57f044%2Ffc3afccb-2412-4784-8f61-262547db0660%2F4tw4sd8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**2.1.20
2.1.11 A matrix A E Mn(C) is called nilpotent if there
exists a positive integer k such that Ak = 0.
spectral
out relying
rem 2.1.4)
(a) Show that A is nilpotent if and only if all of its eigen-
values equal 0.
(b) Show that if A is nilpotent then Ak= 0 for some
k<n.
(a) Sho
(b) Sho
(c) Con
tion
tion
** 2.1.12 Suppose that A E M,(C) has eigenvalues
M,12,..., An (listed according to algebraic multiplicity).
Show that A is normal if and only if
2.1.21
A* =-A).
(a) Shc
(b) Shc
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