यदि \(A=\{1,2\}\) है तो (\mathcal{P}(A)) में ({1,2,3}) क्यों नहीं होगा?
If \(A=\{1,2\}\), why will ({1,2,3}) not be in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. क्योंकि (3) (A) में नहीं हैbecause (3) is not in (A)
Concept
({1,2,3}) is not a subset of (A) because it has the extra element (3). A power set contains only subsets.
Why this answer is correct
The correct answer is A. क्योंकि (3) (A) में नहीं है / because (3) is not in (A). ({1,2,3}) is not a subset of (A) because it has the extra element (3). A power set contains only subsets.
Exam Tip
({1,2,3}) (A) का उपसमुच्चय नहीं है क्योंकि इसमें अतिरिक्त तत्व (3) है। घात समुच्चय में केवल उपसमुच्चय आते हैं।
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