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If (A={1,2,3}) and (B={a,b}), why is (R={(1,a),(1,b),(2,a),(3,b)}) not a function?यदि (A={1,2,3}) और (B={a,b}) हों, तो (R={(1,a),(1,b),(2,a),(3,b)}) फलन क्यों नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because (1) has two different imagesक्योंकि (1) की दो अलग-अलग छवियां हैं
In a function, one domain element cannot have two different images. In exams, check repeated first components carefully.किसी फलन में प्रांत के एक तत्व की दो अलग छवियां नहीं हो सकतीं। परीक्षा में समान पहले घटक को ध्यान से जांचें।
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