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Which of the following relations is a function?निम्न में से कौन-सा सम्बन्ध फलन है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(1,2),(2,2),(3,4)})({(1,2),(2,2),(3,4)})
Step 1: In a function, one input cannot have two different images. Step 2: In the first option, each of (1,2,3) has exactly one image. Step 3: In the other options, some first component has two different images.चरण 1: फलन में एक आगत की दो अलग छवियाँ नहीं हो सकतीं। चरण 2: पहले विकल्प में (1,2,3) प्रत्येक की ठीक एक छवि है। चरण 3: बाकी विकल्पों में कोई न कोई पहला घटक दो अलग छवियों के साथ आया है।
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