Question

Let A(2,5) and B(4,6,7) then what is the relation between two set?

Answer 1

Answer:

there is no relation between two sets they are different from each other

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Answer 2

Answer:

if A={2,5}

B={4,6,7}

then the relation from A to B is a subset of A×B

here , A×B={(2,4),(2,6),(2,7),(5,4),(5,6),(5,7)}.

so you may define any relation,such as;

R1={(2,4),(2,6),(5,4)}

R2={(2,7),(5,4),(5,6)}

.

.

.

and

so

on

note that, the total number of relation that can be formed from AtoB is ;

2^(2×3) ie, 2^6 ie 64.

I hope it would help you

thank you