यदि \(A={\varnothing,{\varnothing}}\) है तो निम्न में से कौन (A) का उपसमुच्चय नहीं है?
If \(A={\varnothing,{\varnothing}}\), which of the following is not a subset of (A)?
Explanation opens after your attempt
Correct Answer
D. \({\varnothing,{{\varnothing}}}\)
Concept
Option D contains \({{\varnothing}}\) as an element, which is not in (A). In empty set questions count the braces carefully.
Why this answer is correct
The correct answer is D. \({\varnothing,{{\varnothing}}}\). Option D contains \({{\varnothing}}\) as an element, which is not in (A). In empty set questions count the braces carefully.
Exam Tip
विकल्प D में \({{\varnothing}}\) अवयव है जो (A) में नहीं है। रिक्त समुच्चय वाले प्रश्नों में कोष्ठकों की संख्या गिनें।
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