Question

Let U= {1,2,3,4,5,6,7,...,15}
A={multiples of 2}
B={multiples of 5}

1. list all the elements in the set A U B
2.List all the elements in the set A n B

Answer 1

can you list the elements of A,
and then list the elements of B

Answer 2

The set A U B are the elements which are in either set A , or set B , or both.

The set A n B are the elements which are both simultaneously in A and B.

Answer 3

the elements of set Aare {2,4,6,8,10,14}

Answer 4

and the elements of B {5,10,15}