If A is a 2 x 2 matrix with eigenvalues -1 and 2, and B = A – I, find a formula of the form al + bA for the inverse of B. (Hint: use Cayley-Hamilton Theorem)

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter7: Eigenvalues And Eigenvectors
Section7.1: Eigenvalues And Eigenvectors
Problem 80E
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(14) If A is a 2 x 2 matrix with eigenvalues -1 and 2, and B = A – I, find a formula of
the form al + bA for the inverse of B. (Hint: use Cayley-Hamilton Theorem)
%3|
Transcribed Image Text:(14) If A is a 2 x 2 matrix with eigenvalues -1 and 2, and B = A – I, find a formula of the form al + bA for the inverse of B. (Hint: use Cayley-Hamilton Theorem) %3|
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