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

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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

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

A

$\{ 7,9,11\} $

B

$\{ 7,9,11\} $

C

$\{ 7,9,11\} $

D

$\{ 7,9,11\} $

Solution

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

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

Standard 11

Mathematics

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