If the set A has3 elements and the set B={3,4,5} then find the number of elements in (A×B).

If the set A has3 elements and the set B={3,4,5} then find the number

1.	If the set A has3 elements and the set B={3,4,5} then find the number of elements in (A×B).
Answer» Total number of element in AxB=3x3=9Therefore total number of element= 9 let elements in A are [x,y,z]element in B are[3,4,7]A×B=[X,3] [x,4] [x,7] [y,3] [y,4] [y,5] [z,3] [z,4] [z,5]