यदि \(A=\{9\}\) है तो (\mathcal{P}(A)) कौन सा है?
If \(A=\{9\}\), which is (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. \({\emptyset,{9}}\)
Concept
A one element set has subsets \(\emptyset\) and ({9}). Hence the power set is \({\emptyset,{9}}\).
Why this answer is correct
The correct answer is C. \({\emptyset,{9}}\). A one element set has subsets \(\emptyset\) and ({9}). Hence the power set is \({\emptyset,{9}}\).
Exam Tip
एक तत्व वाले समुच्चय के उपसमुच्चय \(\emptyset\) और ({9}) होते हैं। इसलिए घात समुच्चय \({\emptyset,{9}}\) है।
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