Select all the True statements. There may be multiple answer choices. Choose all possible choices. A. For any matrix A and any number r we can always define rA B. All square matrix has Adjoint C. All square matrix has transpose D. It is impossible to have a one-by-one-square matrix E. All square matrix has inverse OF. All square matrix has determinant

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Q: What can you say about the sets A and B if AB=A?

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