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A student called (R={(1,a),(2,b),(2,c),(3,d)}) a function. What is the mistake?एक student ने (R={(1,a),(2,b),(2,c),(3,d)}) को function कहा। उसकी गलती क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (2) has two different images (b) and (c)(2) की दो different images (b) और (c) हैं
One input (2) is related to two outputs, so it is not a function. In function checks, first notice repeated first coordinates.एक input (2) दो outputs से जुड़ा है, इसलिए यह function नहीं है। function check में repeated first coordinate पर सबसे पहले ध्यान दें।
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