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If (R={(x,y):y=\frac{1}{x},\ x\in{-1,0,1},\ y\in\mathbb{R}}) is considered from (X={-1,0,1}) to (\mathbb{R}), what is correct?संबंध (R={(x,y):y=\frac{1}{x},\ x\in{-1,0,1},\ y\in\mathbb{R}}) को (X={-1,0,1}) से (\mathbb{R}) में माना जाए तो सही कथन क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: It is not a function because the value at (x=0) is undefinedयह फलन नहीं है क्योंकि (x=0) पर मान परिभाषित नहीं है
The domain includes (0), but (\frac{1}{0}) is undefined. A function needs a value at every element of its domain.प्रांत में (0) शामिल है लेकिन (\frac{1}{0}) परिभाषित नहीं है। फलन के लिए प्रांत के हर अवयव पर मान चाहिए।
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