यदि \(A=\{5\}\) है, तो (\mathcal{P}(A)) क्या होगा?
If \(A=\{5\}\), what is (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
D. \({\varnothing,{5}}\)
Concept
The subsets of a singleton set are \(\varnothing\) and the set itself. So ({5}), not (5), is an element of the power set.
Why this answer is correct
The correct answer is D. \({\varnothing,{5}}\). The subsets of a singleton set are \(\varnothing\) and the set itself. So ({5}), not (5), is an element of the power set.
Exam Tip
एकल समुच्चय के उपसमुच्चय \(\varnothing\) और वही समुच्चय होते हैं। इसलिए (5) नहीं, बल्कि ({5}) घात समुच्चय का तत्व है।
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