यदि \(A=\{1,{2},3\}\) है तो कौन सा कथन सत्य है?
If \(A=\{1,{2},3\}\) then which statement is true?
Explanation opens after your attempt
A. \({2}\in A\)
Concept
({2}) is one whole element, but (2) is not separately an element. Braces are very important in nested sets.
Why this answer is correct
The correct answer is A. \({2}\in A\). ({2}) is one whole element, but (2) is not separately an element. Braces are very important in nested sets.
Exam Tip
({2}) पूरा एक अवयव है, लेकिन (2) अलग से अवयव नहीं है। नेस्टेड समुच्चय में कोष्ठक बहुत महत्वपूर्ण होते हैं।
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