5) Suppose TE L(V) is invertible. (a) Suppose 2 E F with 2 # 0. Prove that 2 is an eigenvalue of T if and only if is an eigenvalue of T-1 (b) Prove that T and T-1 have the same eigenvectors.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.4: The Singular Value Decomposition
Problem 26EQ
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5) Suppose T E L(V) is invertible.
(a) Suppose 2 E F with 2 + 0. Prove that 2 is an eigenvalue of T if and only if is an
eigenvalue of T-1.
(b) Prove that T and T-1 have the same eigenvectors.
Transcribed Image Text:5) Suppose T E L(V) is invertible. (a) Suppose 2 E F with 2 + 0. Prove that 2 is an eigenvalue of T if and only if is an eigenvalue of T-1. (b) Prove that T and T-1 have the same eigenvectors.
Expert Solution
Step 1

Note: Every linear transformation can be represented as a matrix. Let T be a linear transformation from Rn to Rm. Then the matrix associated with T is of order m*n.

Also the rank(T) is equal to the rank of the matrix associated with T.

 

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