Question

if A has 3 elements and b ={1,2,3,}find number of relations on set A​

Answer 1

there are 9 relation on set A

Answer 2

Answer:

If there are x elements in set A, and y elements in set B, then no. of relations from A  to  B is  n(A×B)=xy

Here, Number of elements in set A is 3

So, number of relations from A  to A is =3×3=9

;)