यदि \(f=\{(1,3),(2,5),(3,7)\}\) हो, तो उल्टा संबंध ({(3,1),(5,2),(7,3)}) किस कारण फलन है?
If \(f=\{(1,3),(2,5),(3,7)\}\), why is the reversed relation ({(3,1),(5,2),(7,3)}) a function?
Explanation opens after your attempt
Correct Answer
A. हर पहले घटक की ठीक एक छवि हैEvery first component has exactly one image
Concept
In the reversed relation, each of (3,5,7) has exactly one image. In exams, test the reversed relation separately by the function condition.
Why this answer is correct
The correct answer is A. हर पहले घटक की ठीक एक छवि है / Every first component has exactly one image. In the reversed relation, each of (3,5,7) has exactly one image. In exams, test the reversed relation separately by the function condition.
Exam Tip
उल्टे संबंध में (3,5,7) में से प्रत्येक की ठीक एक छवि है। परीक्षा में उल्टा संबंध भी फलन शर्त से अलग जांचें।
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