Proving if AB is invertible then B is invertible.

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i love you diana... you made me pass the exam <3

guyinspideysuit
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I understand this but why do this in a document? learning 10 years ago had to be rough with applications like these and I am thankful that we have come farther than this. Respect

unbendedurchin
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Diana can you show that if A and B are invertible square matrices of the same order, then AB is also invertible.

sajaldas