Let A=[[2,-2,3],[-1,4,5]](2xx3),B=[[-3,-...

Let `A=[[2,-2,3],[-1,4,5]]_(2xx3),B=[[-3,-4],[3,-1]]_(2xx2)` Find AB and BA whichever exist?

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The correct Answer is:

`[{:(15, - 9 , -15),(-16, 2 , 12):}]`

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