given: A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}

To find: (A × B) ∩ (B × C)

(A × B) = {(1, 3), (1, 4), (2, 3), (2, 4), (3, 3), (3, 4)}

(B × C) = {(3, 4), (3, 5), (3, 6), (4, 4), (4, 5), (4, 6)}

∴ (A × B) ∩ (B × C) = {(3, 4)}