यदि \(A=\{1,2,3\}\) और \(R=\{(a,b):a=b\}\) है, तो (R) में कौन-सा pair नहीं होगा?
If \(A=\{1,2,3\}\) and \(R=\{(a,b):a=b\}\), which pair will not be in (R)?
Explanation opens after your attempt
D. ( (1,3) )
Concept
In ( (1,3) ), the two components are not equal. A relation (a=b) contains only diagonal pairs.
Why this answer is correct
The correct answer is D. ( (1,3) ). In ( (1,3) ), the two components are not equal. A relation (a=b) contains only diagonal pairs.
Exam Tip
( (1,3) ) में दोनों घटक बराबर नहीं हैं। (a=b) relation में केवल diagonal pairs आते हैं।
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