Question

B={ } , then n [B] =​

Answer 1

Step-by-step explanation:

0 or infinity is the answer of the question

Answer 2

Step-by-step explanation:

Answer

Correct option is

A

48

Cartesian product of two sets is obtained by pairing each element of first set with each element of second set.

Given : n(A)=m and n(B)=n

Now, n(A×B)=n(A)×n(B)=m×n=mn.

Thus when m=8 and n=6, we have n(A×B)=48