यदि \(A=\{1,{2}\}\), तो कौन सा (P(A)) का अवयव है?
If \(A=\{1,{2}\}\), which is an element of (P(A))?
Explanation opens after your attempt
Correct Answer
B. ({{2}})
Concept
({2}) itself is an element of (A), so ({{2}}) is a subset of (A) and an element of (P(A)). Counting the layers is essential.
Why this answer is correct
The correct answer is B. ({{2}}). ({2}) itself is an element of (A), so ({{2}}) is a subset of (A) and an element of (P(A)). Counting the layers is essential.
Exam Tip
({2}) स्वयं (A) का अवयव है, इसलिए ({{2}}) (A) का उपसमुच्चय है और (P(A)) का अवयव है। परतों को गिनना जरूरी है।
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