यदि \(A=\{1,2,3\}\), \(B=\{p,q,r\}\) और \(R=\{(1,p),(2,q),(2,r),(3,p)\}\) हो, तो (R) फलन क्यों नहीं है?
If \(A=\{1,2,3\}\), \(B=\{p,q,r\}\), and \(R=\{(1,p),(2,q),(2,r),(3,p)\}\), why is (R) not a function?
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Correct Answer
A. क्योंकि (2) की दो अलग छवियां हैंBecause (2) has two different images
Concept
(2) is associated with both (q) and (r), so it is not a function. In exams, check different images of a repeated first component.
Why this answer is correct
The correct answer is A. क्योंकि (2) की दो अलग छवियां हैं / Because (2) has two different images. (2) is associated with both (q) and (r), so it is not a function. In exams, check different images of a repeated first component.
Exam Tip
(2) को (q) और (r) दोनों से जोड़ा गया है, इसलिए यह फलन नहीं है। परीक्षा में दोहराए पहले घटक की अलग छवियां देखें।
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