कौन सा संबंध \(A=\{a,b,c\}\) से \(B=\{1,2\}\) में फलन नहीं है?
Which relation from \(A=\{a,b,c\}\) to \(B=\{1,2\}\) is not a function?
Explanation opens after your attempt
A. ({(a,1),(b,2),(c,1),(c,2)})
Concept
Here (c) has two images (1) and (2). One input with two different outputs is not allowed in a function.
Why this answer is correct
The correct answer is A. ({(a,1),(b,2),(c,1),(c,2)}). Here (c) has two images (1) and (2). One input with two different outputs is not allowed in a function.
Exam Tip
यहां (c) के दो प्रतिबिंब (1) और (2) हैं। एक इनपुट के दो अलग आउटपुट फलन में मान्य नहीं हैं।
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