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Question -

If A = {1, 2} and B = {1, 3}, find A x B and B x A.



Answer -

Given:
A = {1, 2} and B = {1, 3}
A ├Ч B = {1, 2} ├Ч {1, 3}
= {(1, 1), (1, 3), (2, 1), (2, 3)}
B ├Ч A = {1, 3} ├Ч {1, 2}
= {(1, 1), (1, 2), (3, 1), (3, 2)}

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