यदि \(A=\{1,2\}\), तो निम्न में से कौन सा कथन गलत है?
If \(A=\{1,2\}\), which statement is false?
Explanation opens after your attempt
Correct Answer
A. \(1\in\mathcal{P}(A)\)
Concept
Elements of (\mathcal{P}(A)) are subsets, not ordinary elements. Therefore \(1\in\mathcal{P}(A)\) is false.
Why this answer is correct
The correct answer is A. \(1\in\mathcal{P}(A)\). Elements of (\mathcal{P}(A)) are subsets, not ordinary elements. Therefore \(1\in\mathcal{P}(A)\) is false.
Exam Tip
(\mathcal{P}(A)) के तत्व उपसमुच्चय होते हैं, सामान्य तत्व नहीं। इसलिए \(1\in\mathcal{P}(A)\) गलत है।
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