यदि \(A=\{1,2,3,4\}\) है तो (\mathcal{P}(A)) में पूरा (A) कितनी बार आता है?
If \(A=\{1,2,3,4\}\), how many times does the whole (A) appear in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
B. (1)
Concept
The whole set itself appears once as a subset. So the answer is (1).
Why this answer is correct
The correct answer is B. (1). The whole set itself appears once as a subset. So the answer is (1).
Exam Tip
पूरा समुच्चय स्वयं एक उपसमुच्चय के रूप में एक बार आता है। इसलिए उत्तर (1) है।
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