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If (A={1,2,3,4}) and (B={a,b,c,d}), which option is not a function because (1) has two images?यदि (A={1,2,3,4}) और (B={a,b,c,d}) हों, तो कौन-सा विकल्प फलन नहीं है क्योंकि (1) की दो छवियां हैं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(1,a),(1,b),(2,c),(3,d),(4,a)})({(1,a),(1,b),(2,c),(3,d),(4,a)})
In option (A), (1) is associated with both (a) and (b). In exams, look for the same first component with two different second components.विकल्प (A) में (1) को (a) और (b) दोनों से जोड़ा गया है। परीक्षा में समान पहले घटक के दो अलग दूसरे घटक खोजें।
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