Question

Number of relations from A to B where A = {1, 2} and B = {3, 4, 5) is [1]​

Answer 1

Answer:

Given, A = {1,2} and B = {3,4}.

Number of elements in set A = n(A)=2

Number of elements in set B = n(B)=2

Number of relations from A to B = 2

n(A)×n(B)

=2

2×2

=2

4

=16