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1.Set Theory
easy
यदि $A$ और $B $ दो समुच्चय हैं तब $A \cap {(A \cap B)^c}$ बराबर है
A
$A$
B
$B$
C
$\phi $
D
$A \cap {B^c}$
Solution
$A \cap {(A \cap B)^c} = A \cap ({A^c} \cup {B^c})$ = $(A \cap {A^c}) \cup (A \cap {B^c})$ = $\phi \cup (A \cap {B^c}) = A \cap {B^c}$.
Standard 11
Mathematics