Answer
$A\cap C=\{1,3,4\}$.
Work Step by Step
The given sets are
$A=\{1,3,4,5,9\}$ and $C=\{1,3,4,6\}$
The symbol $\cap$ means the set containing common elements of the given sets.
Hence, the answer is $A\cap C=\{1,3,4\}$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.