First slide

Operations on Sets

Question

If A and B are any two sets, then $A \cap (A \cup B)$ is equal to

Easy

A

$A$
B

$B$
C

$A^{c}$
D

$B^{c}$

Solution

$A \cap (A \cup B) = A, [∵ A \subseteq B \cup A] .$

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