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Consider (R={(1,2),(1,3),(2,4)}) from (A={1,2}) to (B={2,3,4}). Why is it not a function?संबंध (R={(1,2),(1,3),(2,4)}) को (A={1,2}) से (B={2,3,4}) में माना जाए, तो यह फलन क्यों नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because (1) has two different imagesक्योंकि (1) की दो अलग छवियां हैं
In a function, one first element cannot have two different images. In exams, watch for repeated first elements.फलन में किसी एक प्रथम अवयव की दो अलग छवियां नहीं हो सकतीं। परीक्षा में दोहराए गए प्रथम अवयव पर ध्यान दें।
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