यदि \(A=\{1,{2},3\}\), तो कौन सा कथन सत्य है?
If \(A=\{1,{2},3\}\), which statement is true?
Explanation opens after your attempt
Correct Answer
A. \({2}\in A\)
Concept
Here ({2}) is present as one element, but (2) itself is not an element. Brackets are very important in nested sets.
Why this answer is correct
The correct answer is A. \({2}\in A\). Here ({2}) is present as one element, but (2) itself is not an element. Brackets are very important in nested sets.
Exam Tip
यहाँ ({2}) एक सदस्य के रूप में मौजूद है, लेकिन (2) स्वयं सदस्य नहीं है। नेस्टेड सेट में कोष्ठक बहुत महत्वपूर्ण हैं।
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