संबंध \(R=\{(x,y):|x+y|=2,\ x\in{-2,0,2},\ y\in{-4,-2,0,2,4}\}\) को दिए गए प्रांत से सहप्रांत में माना गया है। यह फलन क्यों नहीं है?
The relation \(R=\{(x,y):|x+y|=2,\ x\in{-2,0,2},\ y\in{-4,-2,0,2,4}\}\) is considered from the given domain to codomain. Why is it not a function?
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Correct Answer
A. क्योंकि (x=0) की दो छवियां हैंBecause (x=0) has two images
Concept
At (x=0), both (y=2) and (y=-2) are possible. Absolute value equations often give two images.
Why this answer is correct
The correct answer is A. क्योंकि (x=0) की दो छवियां हैं / Because (x=0) has two images. At (x=0), both (y=2) and (y=-2) are possible. Absolute value equations often give two images.
Exam Tip
(x=0) पर (y=2) और (y=-2) दोनों संभव हैं। मापांक समीकरण अक्सर दो छवियां देते हैं।
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