यदि \(A=\{1,2,3\}\) और \(R=\{(a,b):a+b=5\}\) है, तो (R) में कितने pairs हैं?
If \(A=\{1,2,3\}\) and \(R=\{(a,b):a+b=5\}\), how many pairs are in (R)?
Explanation opens after your attempt
B. (2)
Concept
The pairs from the given set are ( (2,3) ) and ( (3,2) ). In ordered pairs, ( (2,3) ) and ( (3,2) ) are different.
Why this answer is correct
The correct answer is B. (2). The pairs from the given set are ( (2,3) ) and ( (3,2) ). In ordered pairs, ( (2,3) ) and ( (3,2) ) are different.
Exam Tip
दिए गए set से pairs ( (2,3) ) और ( (3,2) ) बनते हैं। ordered pairs में ( (2,3) ) और ( (3,2) ) अलग होते हैं।
Login to save your score, XP, coins and progress.
