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
Correct Answer

A. \({2}\in A\)

Step 1

Concept

({2}) is one whole element, but (2) is not separately an element. Braces are very important in nested sets.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,{2},3\}\) है तो कौन सा कथन सत्य है? / If \(A=\{1,{2},3\}\) then which statement is true?

Correct Answer: A. \({2}\in A\). Explanation: ({2}) पूरा एक अवयव है, लेकिन (2) अलग से अवयव नहीं है। नेस्टेड समुच्चय में कोष्ठक बहुत महत्वपूर्ण होते हैं। / ({2}) is one whole element, but (2) is not separately an element. Braces are very important in nested sets.

Which concept should I revise for this Mathematics MCQ?

({2}) is one whole element, but (2) is not separately an element. Braces are very important in nested sets.

What exam hint can help solve this Mathematics question?

({2}) पूरा एक अवयव है, लेकिन (2) अलग से अवयव नहीं है। नेस्टेड समुच्चय में कोष्ठक बहुत महत्वपूर्ण होते हैं।