If A = {1, 2} and B = {1, 3},

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Question:
If A = {1, 2} and B = {1, 3}, find A × B and B × A.

Solution:

Given:

A = {1, 2} and B = {1, 3}

Now,

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

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