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If A = [(0,1,2),(1,2,3),(2,3,4)] and B ...

If ` A = [(0,1,2),(1,2,3),(2,3,4)] and B = [(1,-2),(-1,0),(2,-1)]` then which of the following is defined ?

A

AB

B

BA

C

both (A) and (B)

D

None of these

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The correct Answer is:
A
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