यदि \(A=\{{1,2},3\}\) है तो इनमें से कौन सा (A) का उपसमुच्चय है?
If \(A=\{{1,2},3\}\) then which of these is a subset of (A)?
Explanation opens after your attempt
Correct Answer
B. ({{1,2}})
Concept
The elements of (A) are ({1,2}) and (3), so ({{1,2}}) is a subset of it. In exams identify complete objects inside the outer braces.
Why this answer is correct
The correct answer is B. ({{1,2}}). The elements of (A) are ({1,2}) and (3), so ({{1,2}}) is a subset of it. In exams identify complete objects inside the outer braces.
Exam Tip
(A) के तत्व ({1,2}) और (3) हैं इसलिए ({{1,2}}) इसका उपसमुच्चय है। परीक्षा में बड़े ब्रैकेट के अंदर के पूरे तत्व पहचानें।
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