Let r be a relation on finite set having a elements, then the number of relation on a is
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no of relation =a×a
exempal:
A={1,2}
A×A={(1,1),(1,2),(2,1),(2,2)}
no of element in A=2
no of element in A×A=(2×2)=4
exempal:
A={1,2}
A×A={(1,1),(1,2),(2,1),(2,2)}
no of element in A=2
no of element in A×A=(2×2)=4
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