Algebra Examples

${5, 6, 7, 8, 9} \cup {1, 2, 3, 4}$

Step 1

Set up the intersection notation of set ${5, 6, 7, 8, 9}$ and ${1, 2, 3, 4}$ .

${5, 6, 7, 8, 9} \cap {1, 2, 3, 4}$

Step 2

The intersection of two sets is the set of elements which are in both sets. The intersection in this case is an empty set.

${}$