If A and B be two sets such that n(A)=3,...

If A and B be two sets such that `n(A)=3,n(B)=4" and "n(AnnB)=2` then find:
(i) `n(AxxB)" " (ii) n(BxxA)" "(iii) n{(AxxB)nn(BxxA)}`

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(i) `n(AxxB)=12" "(ii) n(BxxA)=12" "(iii) n{(AxxB)nn(BxxA)}=4`

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