यदि \(A={\emptyset,{1},2}\) है, तो निम्न में से कौन (\mathcal{P}(A)) का तत्व है?
If \(A={\emptyset,{1},2}\), which of the following is an element of (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. \({\emptyset,2}\)
Concept
\({\emptyset,2}\) is a subset of (A), so it is an element of the power set. (1) and ({2}) are not elements of (A).
Why this answer is correct
The correct answer is A. \({\emptyset,2}\). \({\emptyset,2}\) is a subset of (A), so it is an element of the power set. (1) and ({2}) are not elements of (A).
Exam Tip
\({\emptyset,2}\), (A) का उपसमुच्चय है, इसलिए यह घात समुच्चय का तत्व है। (1) और ({2}), (A) के तत्व नहीं हैं।
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