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Question
Let A = [1, 2] and B = [3, 4]. Find the total number of relation from A into B.
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Solution
We have:
A = {1, 2} and B = {3, 4}
Now,
There are 2n relations from A to B, where n is the number of elements in their Cartesian product.
∴ Number of relations from A to B is 24 = 16.
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