यदि \(A=\{1,2,3\}\) और \(B=\{2,3,4\}\) हों, तो \(R=\{(1,2),(2,3),(3,4),(1,2)\}\) किस कारण फलन है?
If \(A=\{1,2,3\}\) and \(B=\{2,3,4\}\), why is \(R=\{(1,2),(2,3),(3,4),(1,2)\}\) a function?
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Correct Answer
A. क्योंकि (1) की अलग छवि नहीं बदली हैBecause (1) does not get a different image
Concept
((1,2)) is repeated, but (1) does not have another different image. In exams, distinguish a repeated pair from two different images.
Why this answer is correct
The correct answer is A. क्योंकि (1) की अलग छवि नहीं बदली है / Because (1) does not get a different image. ((1,2)) is repeated, but (1) does not have another different image. In exams, distinguish a repeated pair from two different images.
Exam Tip
((1,2)) दोहराया गया है पर (1) की दूसरी अलग छवि नहीं है। परीक्षा में दोहराए युग्म और दो अलग छवियों में अंतर करें।
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