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OpenStudy (anonymous):
If A and B are square matrices, and AB=I, then (choose ALL correct answers) A. A can be expressed as a product of elementary matrices B. AB can be expressed as a single elementary matrix C. BA can be expressed as a single elementary matrix D. A−1=B E. B is not invertible
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OpenStudy (anonymous):
I think the answer is A,B,C and D am I right?
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