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Mathematics
How many reflexive relations are possible on P ?
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Q. How many reflexive relations are possible on $P$ ?
Sets, Relations, and Functions
A
$2^5$
B
$2^{25}$
C
$2^{20}$
D
$2^{18}$
Solution:
Number of possible reflexive relations
$=2^{5^2-5}=2^{20}$