यदि \(A=\{1,2,3\}\) और (B=P(A)) है तो (B) में कौन सा अवयव नहीं होगा?
If \(A=\{1,2,3\}\) and (B=P(A)) then which element will not be in (B)?
Explanation opens after your attempt
Correct Answer
D. (4)
Concept
(P(A)) contains subsets of (A) as elements, not the ordinary number (4). Elements of a power set are themselves subsets.
Why this answer is correct
The correct answer is D. (4). (P(A)) contains subsets of (A) as elements, not the ordinary number (4). Elements of a power set are themselves subsets.
Exam Tip
(P(A)) में (A) के उपसमुच्चय अवयव होते हैं, साधारण संख्या (4) नहीं। पावर सेट में अवयव स्वयं उपसमुच्चय होते हैं।
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