यदि \(U=\{1,2,3,4,5,6,7,8,9,10,11\}\), \(A=\{1,4,7,10\}\) और \(B=\{2,4,6,8,10\}\) है, तो \(\mathcal {P}(A cap B)\) कितना है?
If \(U=\{1,2,3,4,5,6,7,8,9,10,11\}\), \(A=\{1,4,7,10\}\), and \(B=\{2,4,6,8,10\}\), what is \(\mathcal {P}(A cap B)\)?
Explanation opens after your attempt
C. (512)
Concept
\(A\cap B={4,10}\), so (\(A\cap B\)') has (9) elements. Hence (|\mathcal{P}(\(A\cap B\)')|=29=512).
Why this answer is correct
The correct answer is C. (512). \(A\cap B={4,10}\), so (\(A\cap B\)') has (9) elements. Hence (|\mathcal{P}(\(A\cap B\)')|=29=512).
Exam Tip
\(A\cap B={4,10}\), इसलिए (\(A\cap B\)') में (9) तत्व हैं। अतः (|\mathcal{P}(\(A\cap B\)')|=29=512)।
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