यदि \(A=\{a,b,c,d,e\}\), तो (a) को शामिल न करने वाले उचित उपसमुच्चयों की संख्या कितनी है?
If \(A=\{a,b,c,d,e\}\), how many proper subsets do not contain (a)?
Explanation opens after your attempt
C. (16)
Concept
After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).
Why this answer is correct
The correct answer is C. (16). After excluding (a), (4) elements remain, giving \(2^4=16\) subsets. All of them are proper subsets of (A).
Exam Tip
(a) को हटाकर (4) सदस्य बचते हैं, जिनके \(2^4=16\) उपसमुच्चय हैं। ये सभी (A) के उचित उपसमुच्चय हैं।
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