Correct Answer - Option 3 : 2
20
The correct answer is option 3
Data:
Number of elements in a set = n = 5
Formula:
Total number of reflexive relations in a set = \(2^{n^2 -n}\)2n2−n-1--12n2−n2n2−n
Calculation:
Total number of reflexive relations in a set = \(2^{5^2 -5} =2^{20}\)SSo, the
So, the correct answer is 22042−4
