Q. If $A$ and $B$ are two sets, then $A \cap (A \cup B)$ equals

1840 241 Sets Report Error

A

$A$

51%

B

$B$

12%

C

$ϕ$

21%

D

$A \cap B$

16%

Solution:

$A \cap (A \cup B)$
$= (A \cap A) \cup (A \cap B)$
$= A \cup (A \cap B)$
$= A$