NCERT Example 3 - Relations and Functions
Question: Let A = {1,2,3}, B = {3,4} and C = {4,5,6}. Find (i) A x (B intersection C), (ii) (A x B) intersection (A x C), (iii) A x (B union C), and (iv) (A x B) union (A x C).
Answer: (i) = (ii) = {(1,4),(2,4),(3,4)}; (iii) = (iv) = {(1,3),(1,4),(1,5),(1,6),(2,3),(2,4),(2,5),(2,6),(3,3),(3,4),(3,5),(3,6)}.
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