If A={3,5,7,9,11}, B={7,9,11,13}, C={11,13,15} and D={15,17} ; find left( {A cup D} right) cap left(

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1.Set Theory

easy

If $A=\{3,5,7,9,11\}, B=\{7,9,11,13\}, C=\{11,13,15\}$ and $D=\{15,17\} ;$ find

$\left( {A \cup D} \right) \cap \left( {B \cup C} \right)$

A

$\{ 7,9,11,15\} $

B

$\{ 7,9,11,15\} $

C

$\{ 7,9,11,15\} $

D

$\{ 7,9,11,15\} $

Solution

$(A \cup D) \cap(B \cup C)=\{3,5,7,9,11,15,17\} \cap\{7,9,11,13,15\}$

$=\{7,9,11,15\}$

Standard 11

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