यदि \(A=\{a,b\}\) है तो इनमें से कौन सा (\mathcal{P}(A)) का तत्व है?
If \(A=\{a,b\}\) then which of the following is an element of (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. ({a})
Concept
({a}) is a subset of (A) so it is an element of (\mathcal{P}(A)). Elements of a power set are always subsets.
Why this answer is correct
The correct answer is C. ({a}). ({a}) is a subset of (A) so it is an element of (\mathcal{P}(A)). Elements of a power set are always subsets.
Exam Tip
({a}) समुच्चय (A) का उपसमुच्चय है इसलिए यह (\mathcal{P}(A)) का तत्व है। घात समुच्चय के तत्व हमेशा उपसमुच्चय होते हैं।
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