यदि \(A=\{5,7\}\) है, तो (A) पर पहचान संबंध कौन-सा है?
If \(A=\{5,7\}\), which is the identity relation on (A)?
Explanation opens after your attempt
B. \(R=\{(5,5),(7,7)\}\)
Concept
In the identity relation, each element is related to itself. So only ( (5,5) ) and ( (7,7) ) appear.
Why this answer is correct
The correct answer is B. \(R=\{(5,5),(7,7)\}\). In the identity relation, each element is related to itself. So only ( (5,5) ) and ( (7,7) ) appear.
Exam Tip
पहचान संबंध में प्रत्येक तत्व अपने साथ जुड़ता है। इसलिए केवल ( (5,5) ) और ( (7,7) ) आएंगे।
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