यदि \(U=\{1,2,3,4,5,6,7\}\) और \(A=\{2,4,7\}\) है तो (\mathcal{P}(A')) में कितने तत्व होंगे?
If \(U=\{1,2,3,4,5,6,7\}\) and \(A=\{2,4,7\}\), how many elements will be in (\mathcal{P}(A'))?
Explanation opens after your attempt
Correct Answer
C. (16)
Concept
First (A'={1,3,5,6}), which has (4) elements. So (\mathcal{P}(A')) has \(2^4=16\) elements.
Why this answer is correct
The correct answer is C. (16). First (A'={1,3,5,6}), which has (4) elements. So (\mathcal{P}(A')) has \(2^4=16\) elements.
Exam Tip
पहले (A'={1,3,5,6}) है जिसमें (4) तत्व हैं। इसलिए (\mathcal{P}(A')) में \(2^4=16\) तत्व होंगे।
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