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pow:problem6s21
Problem 6 (due Monday, May 10)
Let $A$ and $B$ be square matrices of the same size such that $A^{2020}=I=B^{2020}$ and $AB=-BA$. Prove that $I+A+B$ is invertible. (Here $I$ is the identity matrix).
No solutions were submitted. For a detailed solution see the following link Solution.
pow/problem6s21.txt · Last modified: 2021/05/11 02:45 by mazur