किस विकल्प में \(A=\{1,2,3,4,5\}\) से \(B=\{p,q,r\}\) में संबंध फलन नहीं है, जबकि (A) का हर अवयव प्रथम घटक के रूप में आया है?
In which option is the relation not a function from \(A=\{1,2,3,4,5\}\) to \(B=\{p,q,r\}\), even though every element of (A) appears as a first component?
Explanation opens after your attempt
Correct Answer
C. ({(1,p),(2,q),(3,q),(4,r),(5,p),(4,q)})
Concept
In option (C), (4) has two images (r) and (q). In a function each input must have exactly one image.
Why this answer is correct
The correct answer is C. ({(1,p),(2,q),(3,q),(4,r),(5,p),(4,q)}). In option (C), (4) has two images (r) and (q). In a function each input must have exactly one image.
Exam Tip
विकल्प (C) में (4) की दो छवियां (r) और (q) हैं। फलन में हर इनपुट की ठीक एक छवि होनी चाहिए।
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