यदि \(A=\{x,y,z,w\}\), तो (P(A)) के कितने अवयव उचित उपसमुच्चय नहीं हैं?
If \(A=\{x,y,z,w\}\), how many elements of (P(A)) are not proper subsets of (A)?
Explanation opens after your attempt
Correct Answer
B. (1)
Concept
The elements of (P(A)) are all subsets of (A), and only (A) itself is not a proper subset. A proper subset excludes the whole set.
Why this answer is correct
The correct answer is B. (1). The elements of (P(A)) are all subsets of (A), and only (A) itself is not a proper subset. A proper subset excludes the whole set.
Exam Tip
(P(A)) के अवयव (A) के सभी उपसमुच्चय हैं, जिनमें केवल (A) स्वयं उचित उपसमुच्चय नहीं है। उचित उपसमुच्चय में पूरा समुच्चय नहीं आता।
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