# Math Help - more sets and relations

1. ## more sets and relations

If A = {X element of N such that X<7} and B={X element of Z such that the absolute value oof X-5 is less than 3, and C=2,3} find (A symmetric difference B) \ C

2. Originally Posted by tygracen
If A = {X element of N such that X<7} and B={X element of Z such that the absolute value oof X-5 is less than 3}, and C={2,3} find (A symmetric difference B) \ C
they are asking for the set $[(A - B) \cup (B - A)] - C$ or equivalently, $[(A \cup B) - (A \cap B)] - C$

can you do it now?