Question

If a set A has 4 elements and set B has 3 elements, then n(A×B) ​

Answer 1

Answer:

set A has = 4 element

set B has= 3 element

n(AxB)=4×3=12

n(AxB)=12

Answer 2

n(A×B)=n(A)×n(B)

= 12