यदि \(A=\{0,1\}\) है तो (\mathcal{P}(\mathcal{P}(A))) में कितने तत्व होंगे?
If \(A=\{0,1\}\), how many elements are in (\mathcal{P}(\mathcal{P}(A)))?
Explanation opens after your attempt
C. (16)
Concept
First (n(\mathcal{P}(A))=22=4). Then (\mathcal{P}(\mathcal{P}(A))) has \(2^4=16\) elements.
Why this answer is correct
The correct answer is C. (16). First (n(\mathcal{P}(A))=22=4). Then (\mathcal{P}(\mathcal{P}(A))) has \(2^4=16\) elements.
Exam Tip
पहले (n(\mathcal{P}(A))=22=4) है। फिर (\mathcal{P}(\mathcal{P}(A))) में \(2^4=16\) तत्व होंगे।
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