यदि \(A={\varnothing,{1}}\) है तो कौन सा (A) का उपसमुच्चय है?
If \(A={\varnothing,{1}}\) then which is a subset of (A)?
Explanation opens after your attempt
A. \({\varnothing}\)
Concept
\(\varnothing\) is an element of (A), so \({\varnothing}\) is a subset of (A). ({1}) is an element, but (1) is not.
Why this answer is correct
The correct answer is A. \({\varnothing}\). \(\varnothing\) is an element of (A), so \({\varnothing}\) is a subset of (A). ({1}) is an element, but (1) is not.
Exam Tip
\(\varnothing\) (A) का अवयव है इसलिए \({\varnothing}\) (A) का उपसमुच्चय है। ({1}) अवयव है, पर (1) अवयव नहीं है।
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