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1.Set Theory
easy
यदि $A =\{3,5,7,9,11\}, B =\{7,9,11,13\}, C =\{11,13,15\}$ और $D =\{15,17\} ;$ तो निम्नलिखित जात कीजिए
$A \cap(B \cup C)$
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