यदि (\mathcal{P}(A)) में (8) तत्व हैं तो (A) के खाली नहीं उपसमुच्चयों की संख्या कितनी होगी?
If (\mathcal{P}(A)) has (8) elements, how many non-empty subsets does (A) have?
Explanation opens after your attempt
C. (7)
Concept
From \(2^n=8\), (n=3), and total subsets are (8). Removing the empty subset leaves (7).
Why this answer is correct
The correct answer is C. (7). From \(2^n=8\), (n=3), and total subsets are (8). Removing the empty subset leaves (7).
Exam Tip
\(2^n=8\) से (n=3) है और कुल उपसमुच्चय (8) हैं। खाली उपसमुच्चय हटाने पर (7) बचते हैं।
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