Question

please tell me the ans fast and all ​

Answer 1

Answer:

here is your answer

hope this will help you

Answer 2

Step-by-step explanation:

Here, O(A)=m and O(B)=n.

Hence O(A×B)=mn

Since every subset of A×B is a relation from A to B, therefore, number of relations from A to B is equal to the number of the subsets of A×B, i.e.,  2mn