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Properties of Set Operation

Question

If $A$ and $B$ are two sets, then $A \cap (A \cup B)$ equals
$A$
$B$
$ϕ$
None of these

A

B

B

A

C

ϕ

D

None of these

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Solution

Verified by Toppr

$A \cap (A \cup B)$
$= (A \cap A) \cup (A \cap B)$
$= A$
Hence answer is Option A.

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