यदि (A) में (4) सदस्य हैं, तो (\mathcal{P}(A)) में कितने सदस्य होंगे?
If (A) has (4) elements, how many elements will (\mathcal{P}(A)) have?
Explanation opens after your attempt
C. (16)
Concept
A power set contains all subsets, so the number is \(2^4=16\). Think separately about elements of (A) and elements of (\mathcal{P}(A)).
Why this answer is correct
The correct answer is C. (16). A power set contains all subsets, so the number is \(2^4=16\). Think separately about elements of (A) and elements of (\mathcal{P}(A)).
Exam Tip
घात समुच्चय में सभी उपसमुच्चय होते हैं, इसलिए संख्या \(2^4=16\) है। (A) के सदस्य और (\mathcal{P}(A)) के सदस्य अलग सोचें।
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