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If (A={1,2,3}) and (B={2,3,4}), why is (R={(1,2),(2,3),(3,4),(1,2)}) a function?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?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because (1) does not get a different imageक्योंकि (1) की अलग छवि नहीं बदली है
((1,2)) is repeated, but (1) does not have another different image. In exams, distinguish a repeated pair from two different images.((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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