Question

= {1, 2, 3, 4, 5} and B = {3, 6, 9, 12, 15}, what is A union B?

{1, 2, 3, 4, 5, 6, 9, 12, 15}
{3}
{1, 2, 3, 3, 4, 5, 6, 9, 12, 15}
{ }

Answer 1

union means include the element of both sat

Answer 2

the element must appear only once in union

Answer 3

like 3 exist in both set but in union it will be written only once

Answer 4

can u tell me the ans ??

Answer 5

{1,2,3,4,5,6,9,12,15}