कौन सा संबंध \(A=\{1,2\}\) से \(B=\{5,6\}\) में फलन नहीं है?
Which relation from \(A=\{1,2\}\) to \(B=\{5,6\}\) is not a function?
Explanation opens after your attempt
Correct Answer
A. ({(1,5),(1,6),(2,5)})
Concept
In the first option, (1) has two different images (5) and (6). Hence it is not a function.
Why this answer is correct
The correct answer is A. ({(1,5),(1,6),(2,5)}). In the first option, (1) has two different images (5) and (6). Hence it is not a function.
Exam Tip
पहले विकल्प में (1) के दो अलग प्रतिबिंब (5) और (6) हैं। इसलिए यह फलन नहीं है।
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