यदि \(A={\emptyset,{a},b}\), तो निम्न में से कौन (\mathcal{P}(A)) का तत्व है?
If \(A={\emptyset,{a},b}\), which of the following is an element of (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. \({\emptyset,{a}}\)
Concept
\({\emptyset,{a}}\) is a subset of (A). A power set always contains subsets of the original set.
Why this answer is correct
The correct answer is A. \({\emptyset,{a}}\). \({\emptyset,{a}}\) is a subset of (A). A power set always contains subsets of the original set.
Exam Tip
\({\emptyset,{a}}\), (A) का उपसमुच्चय है। घात समुच्चय में हमेशा मूल समुच्चय के उपसमुच्चय आते हैं।
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