Question

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)}`

Answer 1

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