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1) (7 marks) True or False? Justify your answer. Answers without correct justification will receive no credit. 1 (a) Let
Posted: Thu Jul 14, 2022 3:56 pm
by answerhappygod
- 1 7 Marks True Or False Justify Your Answer Answers Without Correct Justification Will Receive No Credit 1 A Let 1 (64.38 KiB) Viewed 16 times
1) (7 marks) True or False? Justify your answer. Answers without correct justification will receive no credit. 1 (a) Let A and B be two square matrices of the same dimension and A be an invertible matrix then (A−1BA)2020=A−1B2020A. Justification: True False (b) Let A be an n×n matrix. The set of all n×n matrices X that satisfies (A+A2)X=O is not be closed under the matrix multiplication. Justification: True False (c) If A and B are n×n matrices of rankn, then AB also has rank n. True False Justification: