Question

Give an example of two sets A and B such that AnU = A

Answer 1

If \(U\) is the universal set then it is always true that

\[A\cap U=A\]

Answer 2

Right. But i'm looking for an example of 2 sets of #.

Answer 3

what is U?

Answer 4

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

Answer 5

A={1,2,3}

B={4,5,6}

would work

Answer 6

Ok good. Thanks.