Question

Find the number of NON REFLEXIVE relations defined on a set with 3 elements.

Please answer with reference to Class 12 CBSE Mathematics Chapter: Relations and Functions

NEED URGENT
please don't give irrelevant answers ​

Answer 1

Answer: ANSWER

Given, A=a,b,c

Here, the number of elements in set A is 3.

We know that, if set A has n elements, then total number of reflexive relations is 2  

n  

2

−n

.

Here, n=3

Therefore, the total number of reflexive relations from set A to A  

=2  

3  

2

−3

=2  

6

=64

Explanation: