यदि \(R=\{(1,2),(1,3),(2,3)\}\) है, तो (1) के कितने प्रतिबिंब हैं?
If \(R=\{(1,2),(1,3),(2,3)\}\), how many images does (1) have?
Explanation opens after your attempt
B. (2)
Concept
The element (1) appears as the first component in ((1,2)) and ((1,3)). So it has (2) images, (2) and (3).
Why this answer is correct
The correct answer is B. (2). The element (1) appears as the first component in ((1,2)) and ((1,3)). So it has (2) images, (2) and (3).
Exam Tip
(1) पहले अवयव के रूप में ((1,2)) और ((1,3)) में आता है। इसलिए उसके (2) प्रतिबिंब (2) और (3) हैं।
Login to save your score, XP, coins and progress.
