(a) Let A, B, and C be two square matrices of the same dimension and A be an invertible matrix then (A-¹BCA) 2023 = A-¹B2023 2023 A. True False Justification: (b) Let A be an nx n matrix. The set of all nxn matrices X that satisfies (A²-31)X = O is not be closed under the matrix addition. True Justification: (c) If A and B are 6 x 6 matrices of rank 6, then AB also has rank 6. True False Justification: (d) If A is a 5 x 6 matrix of rank 3, then the solutions of Ax = 0 is has two parameters. True False Justification: (e) Matrix False Justification: in Z5 has two distinct eigenvalues. True False

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
True or False? Justify your answer.
(a) Let A, B, and C be two square matrices of the same dimension and A be an invertible
matrix then (A-¹BCA)2023 = A-1B2023 C2023 A.
True
False
Justification:
(b) Let A be an nxn matrix. The set of all n×n matrices X that satisfies (A² –31)X = 0
is not be closed under the matrix addition.
True
Justification:
(c) If A and B are 6 x 6 matrices of rank 6, then AB also has rank 6.
True
False
Justification:
(d) If A is a 5 x 6 matrix of rank 3, then the solutions of Ax = 0 is has two parameters.
True
False
Justification:
(e) Matrix
False
Justification:
in Z5 has two distinct eigenvalues.
True
False
Transcribed Image Text:True or False? Justify your answer. (a) Let A, B, and C be two square matrices of the same dimension and A be an invertible matrix then (A-¹BCA)2023 = A-1B2023 C2023 A. True False Justification: (b) Let A be an nxn matrix. The set of all n×n matrices X that satisfies (A² –31)X = 0 is not be closed under the matrix addition. True Justification: (c) If A and B are 6 x 6 matrices of rank 6, then AB also has rank 6. True False Justification: (d) If A is a 5 x 6 matrix of rank 3, then the solutions of Ax = 0 is has two parameters. True False Justification: (e) Matrix False Justification: in Z5 has two distinct eigenvalues. True False
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