यदि \(A=\{1,2\}\) और \(R=\varnothing\) है, तो (R) reflexive है या नहीं?

If \(A=\{1,2\}\) and \(R=\varnothing\), is (R) reflexive?

Explanation opens after your attempt
Correct Answer

B. नहींNo

Step 1

Concept

For reflexive relation, ( (1,1) ) and ( (2,2) ) are needed. These pairs are absent in the empty relation.

Step 2

Why this answer is correct

The correct answer is B. नहीं / No. For reflexive relation, ( (1,1) ) and ( (2,2) ) are needed. These pairs are absent in the empty relation.

Step 3

Exam Tip

Reflexive के लिए ( (1,1) ) और ( (2,2) ) चाहिए। Empty relation में ये pairs नहीं हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2\}\) और \(R=\varnothing\) है, तो (R) reflexive है या नहीं? / If \(A=\{1,2\}\) and \(R=\varnothing\), is (R) reflexive?

Correct Answer: B. नहीं / No. Explanation: Reflexive के लिए ( (1,1) ) और ( (2,2) ) चाहिए। Empty relation में ये pairs नहीं हैं। / For reflexive relation, ( (1,1) ) and ( (2,2) ) are needed. These pairs are absent in the empty relation.

Which concept should I revise for this Mathematics MCQ?

For reflexive relation, ( (1,1) ) and ( (2,2) ) are needed. These pairs are absent in the empty relation.

What exam hint can help solve this Mathematics question?

Reflexive के लिए ( (1,1) ) और ( (2,2) ) चाहिए। Empty relation में ये pairs नहीं हैं।