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?
If \(A=\{1,2,3,4\}\) and \(B=\{a,b,c,d\}\), which option is not a function because (1) has two images?
Explanation opens after your attempt
Correct Answer
A. ({(1,a),(1,b),(2,c),(3,d),(4,a)})
Concept
In option (A), (1) is associated with both (a) and (b). In exams, look for the same first component with two different second components.
Why this answer is correct
The correct answer is 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.
Exam Tip
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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