22. Let T be a linear operator on a finite-dimensional vector space V over the field F. Prove that if g(t) e P(F) and x is an eigenvector of T corresponding to eigenvalue 2, then g(TXx) = g(2)x. 23. Use Exercise 22 to prove that if f(t) is the characteristic polynomial of a diagonalizable linear operator T, then f(T) = To, the zero operator.
22. Let T be a linear operator on a finite-dimensional vector space V over the field F. Prove that if g(t) e P(F) and x is an eigenvector of T corresponding to eigenvalue 2, then g(TXx) = g(2)x. 23. Use Exercise 22 to prove that if f(t) is the characteristic polynomial of a diagonalizable linear operator T, then f(T) = To, the zero operator.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.3: Eigenvalues And Eigenvectors Of N X N Matrices
Problem 28EQ
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