- Home
- Standard 11
- Mathematics
1.Set Theory
medium
यदि $U =\{1,2,3,4,5,6,7,8,9\}, A =\{2,4,6,8\}$ और $B =\{2,3,5,7\},$ तो सत्यापित कीजिए कि
$( A \cap B )^{\prime}= A ^{\prime} \cup B ^{\prime}$
Option A
Option B
Option C
Option D
Solution
$U=\{1,2,3,4,5,6,7,8,9\}$
$A=\{2,4,6,8\}, B=\{2,3,5,7\}$
$(A \cap B)^{\prime}=\{2\}^{\prime}=\{1,3,4,5,6,7,8,9\}$
$A^{\prime} \cup B^{\prime}=\{1,3,5,7,9\} \cup\{1,4,6,8,9\}=\{1,3,4,5,6,7,8,9\}$
$\therefore(A \cap B)^{\prime}=A^{\prime} \cup B^{\prime}$
Standard 11
Mathematics