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

If `A=[(1,2),(2,3),(3,4)] and B=[(1,2),(2,1)]`, then -

A

both AB and BA exist

B

neither AB nor BA exist

C

AB exists but BA does not exist

D

AB does not exist but BA exists

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 4
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