If A = {a,b} and B = {1,2,3} then (A xxB...

If `A = {a,b} and B = {1,2,3}` then `(A xxB) nn (B xxA)=`

A

`{(a,1) ,(a,2), (a,3) , (b,1) ,(b,2), (b,3) }`

B

`{(1,a),(1,b) ,(1,c),(2,a), (2,b), (2,c)}`

C

`{(a,a,),(b,c,),(a,b),(b,a)}`

D

`phi`

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The correct Answer is:

D

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