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

$\begin{array}{1 1} A \\ B \\ \phi \\ none\;of\;these \end{array}$

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  • $A\cap (B\cup C)=(A\cap B)\cup (A\cap C)$
$A\cap (A\cup B)=(A\cap A)\cup (A\cap B)$
$=A\cup (A\cap B)=A$
answered May 21, 2013 by rvidyagovindarajan_1
 

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