यदि \(A={\emptyset,{\emptyset}}\) है, तो (A) के उपसमुच्चयों की संख्या कितनी है?
If \(A={\emptyset,{\emptyset}}\), how many subsets does (A) have?
Explanation opens after your attempt
Correct Answer
C. (4)
Concept
The set (A) has two distinct elements: \(\emptyset\) and \({\emptyset}\). Hence it has \(2^2=4\) subsets.
Why this answer is correct
The correct answer is C. (4). The set (A) has two distinct elements: \(\emptyset\) and \({\emptyset}\). Hence it has \(2^2=4\) subsets.
Exam Tip
(A) में दो अलग सदस्य हैं: \(\emptyset\) और \({\emptyset}\)। इसलिए उपसमुच्चय \(2^2=4\) हैं।
Login to save your score, XP, coins and progress.