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Question 136
The number of reflexive relations that can be defined on a set A with 5 elements is
Solution
Solution
No. of reflexive relation =Â $$2^{n\left(n-1\right)}$$
here n = 5
A/q
No. of reflexive relation =Â $$2^{5\left(5-1\right)}$$ =Â $$2^{20}$$
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