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if A=[{:(4,0,-3),(1,2,0):}]and B=[{:(2,1...

`if A=[{:(4,0,-3),(1,2,0):}]and B=[{:(2,1),(1,-2),(3,4):}]'`then find AB and BA.

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The correct Answer is:
`AB=[{:(-1,-8),(4,-3)],BA,=[{:(9,2,-6),(2,-4,-3),(16,8,-9):}]`
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