Question

If the set A and has 3 elements and the set B = {3, 4, 5}, then find the number of elements in ( A * B ) ?

Answer 1

Solution :

✎ It is given that set A has 3 elements and the element of set B are 3,4 and 5

⇒Number of element in set B = 3

✎ Number of element in ( A × B )

⇒( Number of element in A ) × ( Number of element in B )

⇒3 × 3 = 9

⇒Thus, the number of element in ( A × B ) is 9

Hope you understand this question ;)

Answer 2

Answer:

☆Answer☆ in the attachment.