यदि \(A=\emptyset\) है तो (A) के उपसमुच्चयों की संख्या कितनी है?
If \(A=\emptyset\) then how many subsets does (A) have?
Explanation opens after your attempt
Correct Answer
B. (1)
Concept
The empty set has only one subset which is the empty set itself. In exams remember \(2^0=1\).
Why this answer is correct
The correct answer is B. (1). The empty set has only one subset which is the empty set itself. In exams remember \(2^0=1\).
Exam Tip
रिक्त समुच्चय का केवल एक उपसमुच्चय वही रिक्त समुच्चय है। परीक्षा में \(2^0=1\) याद रखें।
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