Precalculus Examples

$A = (6, 8, 9)$ , $B = (1, 5, 9)$

Step 1

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

${6, 8, 9} \cap {1, 5, 9}$

Step 2

The intersection of two sets is the set of elements which are in both sets.

${9}$

Step 3

The complement of the two sets is the remaining members of ${6, 8, 9}$ that aren't members of the intersection of the two sets.

${6, 8}$

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