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Let n(A) = m and n(B) = n. Then the tota...

Let n(A) = m and n(B) = n. Then the total number of non-empty relations that can be defined from A to B is

A

`m^n`

B

`n^m-1`

C

mn-1

D

`2^(mn) -1`

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The correct Answer is:
D
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