कौन सा विकल्प \(A=\{1,{2},3\}\) का उपसमुच्चय है?
Which option is a subset of \(A=\{1,{2},3\}\)?
Explanation opens after your attempt
B. ({{2},3})
Concept
The set (A) has ({2}) as an element but not (2). Therefore ({{2},3}) is a subset.
Why this answer is correct
The correct answer is B. ({{2},3}). The set (A) has ({2}) as an element but not (2). Therefore ({{2},3}) is a subset.
Exam Tip
(A) में ({2}) अवयव है पर (2) अवयव नहीं है। इसलिए ({{2},3}) उपसमुच्चय है।
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