यदि \(A=\{1,2,3\}\), तो निम्न में से कौन सा कथन गलत है?
If \(A=\{1,2,3\}\), which of the following statements is false?
Explanation opens after your attempt
Correct Answer
C. \(1\in \mathcal{P}(A)\)
Concept
A power set contains subsets, not bare elements. (1) would need to be written as ({1}) to be an element of the power set.
Why this answer is correct
The correct answer is C. \(1\in \mathcal{P}(A)\). A power set contains subsets, not bare elements. (1) would need to be written as ({1}) to be an element of the power set.
Exam Tip
(\mathcal{P}(A)) में उपसमुच्चय होते हैं, अकेले तत्व नहीं। (1) को ({1}) लिखने पर वह घात समुच्चय का तत्व होगा।
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