Q.

If A is a finite set having n elements,then the number of relations which can be defined in A is

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a

1.2n

b

n2

c

2n2

d

nn

answer is C.

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Detailed Solution

o(A)=no(AxA)=nxn=n2o[P(AxA)]=2n2
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If A is a finite set having n elements,then the number of relations which can be defined in A is