Let A={1,2} and B={3,4} Then the number of relations from A to B is - Maths - Relations and Functions

Question

Let A={1,2} and B={3,4} Then the number of relations from A to B is

Gursheen Kaur · Accepted Answer

Dear Student,
Solution) Given: A and B are two sets such that n (A) = 2 and n (B)
= 2, where n(A) and n(B) are the number of elements in set A and
set B
Therefore, the number of relations from A → B
= 22×2
= 24
= 16
Regards!

Let A={1,2} and B={3,4}. Then the number of relations from A to B is