यदि \(A=\{1,2,3\}\) और \(B=\{p,q,r\}\) हों, तो कौन-सा संबंध एक-एक फलन है?
If \(A=\{1,2,3\}\) and \(B=\{p,q,r\}\), which relation is a one-one function?
Explanation opens after your attempt
Correct Answer
A. ({(1,p),(2,q),(3,r)})
Concept
In option (A), different domain elements have different images. In exams, images should not repeat for a one-one function.
Why this answer is correct
The correct answer is A. ({(1,p),(2,q),(3,r)}). In option (A), different domain elements have different images. In exams, images should not repeat for a one-one function.
Exam Tip
विकल्प (A) में अलग-अलग प्रांत तत्वों की छवियां भी अलग-अलग हैं। परीक्षा में एक-एक फलन के लिए छवियों की पुनरावृत्ति न हो।
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