Which takes more arithmetic operations: finding the inverse matrix by row reducing the augmented matrix consisting of A and I and the using the inverse matrix; or by row reducing the augmented matrix consisting of A and B?

Dread it, run from it, the end of summer arrives all the same. And now it's here. It’s finally August.…

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It's hard to get straightforward feedback for programming assignments, usually it's like pulling teeth when you just want to flat out see where you went wrong so you can improve. Worth the (reasonable) payment. 5/5

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