Let A = {1,2}, B = {2,3,4}, C = {4,5}, find, (i) A × (B ∪ C) (ii) A × (B ∩ C)
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n(A)=2
n(B)=3
n(B U C)=5
n(B n C)=1
i)A × (B ∪ C)=2×(3+2)
2×5
10
(ii) A × (B ∩ C)=2×(1)
=2
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