What does rref[A | AB] = [I | B] tell you if B is the inverse of A?
I understand why the two are equal, but I don't think I'm really grasping what this question wants me to think about. Any hints are appreciated!
What does rref[A | AB] = [I | B] tell you if B is the inverse of A?
I understand why the two are equal, but I don't think I'm really grasping what this question wants me to think about. Any hints are appreciated!
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