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If A=[{:(,1,2),(,3,-4),(,5,6):}]and B=[{...

If A=`[{:(,1,2),(,3,-4),(,5,6):}]and B=[{:(,4,5,6),(,7,-8,2):}]` will AB be equal to BA. Also find AB & BA.

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The correct Answer is:
`AB=[{:(,18,-11,10),(,-16,47,10),(,62,-23,42):}],BA=[{:(,49,24),(,-7,58):}]`
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