यदि \(R=\{(1,4),(2,4),(3,5)\}\) है, तो (4) किन अवयवों का प्रतिबिंब है?
If \(R=\{(1,4),(2,4),(3,5)\}\), then (4) is the image of which elements?
Explanation opens after your attempt
A. ({1,2})
Concept
The second component (4) appears in ((1,4)) and ((2,4)). So (4) is the image of (1) and (2).
Why this answer is correct
The correct answer is A. ({1,2}). The second component (4) appears in ((1,4)) and ((2,4)). So (4) is the image of (1) and (2).
Exam Tip
दूसरा अवयव (4) युग्म ((1,4)) और ((2,4)) में आता है। इसलिए (4), (1) और (2) का प्रतिबिंब है।
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