For a set with elements

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

For a set with

n

elements, the number of reflexive relations on the set is (a)

2^{n^{2}}

(b)

2^{\frac{n(n-1)}{2}}

(c)

2^{n^{2}-n}

(d)

2^{\frac{n(n+1)}{2}}