If the characteristic polynomial of a matrix A is fA(t) = (t + 1)*(t – 2)(t – 4), what is the size of A? What is det A? 3.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter7: Eigenvalues And Eigenvectors
Section7.CR: Review Exercises
Problem 15CR: For what values of a does the matrix A=[01a1] have the characteristics below? a A has eigenvalue of...
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3.
If the characteristic polynomial of a matrix A is
fA(t) = (t + 1) (t – 2)(t – 4),
what is the size of A? What is det A?
Transcribed Image Text:3. If the characteristic polynomial of a matrix A is fA(t) = (t + 1) (t – 2)(t – 4), what is the size of A? What is det A?
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