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Let A=[(1,-2),( 3, 3),( 2,-1)] and B=[(2...

Let `A=[(1,-2),( 3, 3),( 2,-1)]` and `B=[(2 ,3, -1),( 2, 4, -5)]` . Find `A B` and `B A` and show that `A B!=B Adot`

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