Question:
If A = {3, 4}, B = {4, 5} and C = {5, 6}, find A × (B × C).
Solution:
A = {3, 4}, B = {4, 5} and C = {5, 6}
B × C = {(4, 5), (4, 6), (5, 5), (5, 6)}
A × (B × C) = {(3, 4, 5), (3, 4, 6), (3, 5, 5), (3, 5, 6), (4, 4, 5), (4, 4, 6), (4, 5, 5), (4, 5, 6)}
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