The solution is provided in the picture.
Work Step by Step
$A\cap B = A$ For this to be true, $A$ has to be a subset of $B$. The solution is provided in the picture.
You can help us out by revising, improving and updating this answer.Update this answer
After 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.