Question

. If Ris a relation on a finite set having n elements, then the
number of relations on A is
(a) 2"
(c)
(d) "
(b) 21​

Answer 1

Answer:

here is your answer mate

Explanation:

let there be a relation such that (a,b) is a relation.

now a has n options and b also has no options.

total no. of ordered pairs=n×n=n^2

now each ordered pair ha 2 options, either it will be a relation or not so=>no. of relations=>2n^2