Question

Given A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8, 10}, C = {1, 5, 6, 7, 9}

A B =?

Answer 1

what is symbol between A and B?

Answer 2

symbol between A and B is upside down u

Answer 3

\[A\cap B \]
is all the objects that are in both sets.

Answer 4

A B ={1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Answer 5

{1,2,3,4,5,6,7,8,9,10]

Answer 6

AB means union of A and B

Answer 7

you guys are doing the union, but he said there's an upside down U in between them

Answer 8

\[A\cap B = \emptyset\]