(a) Suppose that T : R° → R° has a 5-dimensional eigenspace for the eigenvalue 1. Then show that either T – 31 or T – 51 is invertible.

Linear Algebra: A Modern Introduction
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Chapter4: Eigenvalues And Eigenvectors
Section4.1: Introduction To Eigenvalues And Eigenvectors
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(a) Suppose that T : R° → R° has a 5-dimensional eigenspace for the eigenvalue 1. Then show that either
T – 31 or T – 51 is invertible.
Transcribed Image Text:(a) Suppose that T : R° → R° has a 5-dimensional eigenspace for the eigenvalue 1. Then show that either T – 31 or T – 51 is invertible.
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