यदि \(A=\{1,2,3\}\), \(B=\{1,2,3\}\) और \(R=\{(a,b):a\le b\}\), तो (R) में कितने अवयव हैं?
If \(A=\{1,2,3\}\), \(B=\{1,2,3\}\), and \(R=\{(a,b):a\le b\}\), how many elements are in (R)?
Explanation opens after your attempt
Correct Answer
C. (6)
Concept
For (a=1,2,3), the counts of (b) are (3,2,1), totaling (6). The symbol \(\le\) includes equality.
Why this answer is correct
The correct answer is C. (6). For (a=1,2,3), the counts of (b) are (3,2,1), totaling (6). The symbol \(\le\) includes equality.
Exam Tip
(a=1,2,3) के लिए (b) के (3,2,1) मान मिलते हैं, कुल (6)। \(\le\) में बराबरी भी शामिल होती है।
Login to save your score, XP, coins and progress.