True or false: If A is an eigenvalue of an nxn matrix A, then the matrix A-XI is singular. Justify your answer. O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is nonsingular. O True. If A is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is singular. O True. If A is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is singular. O True. If A is an eigenvalue of A then det(A-XI) = 1. If the determinant of a matrix is one, then the matrix is singular. O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is nonsingular.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Eigenvalues And Eigenvectors
Section7.CR: Review Exercises
Problem 64CR: a Find a symmetric matrix B such that B2=A for A=[2112] b Generalize the result of part a by proving...
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True or false:
If λ is an eigenvalue of an nxn matrix A, then the matrix A-XI is singular. Justify your answer.
O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is nonsingular.
O True. If A is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is singular.
O True. If X is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is singular.
O True. If > is an eigenvalue of A then det(A-XI) = 1. If the determinant of a matrix is one, then the matrix is singular.
O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is nonsingular.
Transcribed Image Text:True or false: If λ is an eigenvalue of an nxn matrix A, then the matrix A-XI is singular. Justify your answer. O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is nonsingular. O True. If A is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is singular. O True. If X is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is zero, then the matrix is singular. O True. If > is an eigenvalue of A then det(A-XI) = 1. If the determinant of a matrix is one, then the matrix is singular. O False. If is an eigenvalue of A then det(A-XI) = 0. If the determinant of a matrix is not zero, then the matrix is nonsingular.
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