JEE MATHEMATICS MCQ: RELATIONS

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Understanding +4 | -1

Let

n(A)=m

and

n(B)=n

. Then, the total number of non-empty relations that can be defined from

A

B

View answer and explanation

Correct option: D

2^{\text {min }}-1

Option

2^{mn}-1

is correct, as the total number of relations from A to B is

2^{mn}

, and subtracting 1 excludes the empty relation.

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R