यदि \(R=\{(1,2),(2,2),(3,2),(4,2)\}\), तो (R) किस प्रकार का relation है \(A=\{1,2,3,4\}\) से \(B=\{2,5\}\) तक?
If \(R=\{(1,2),(2,2),(3,2),(4,2)\}\), what type of relation is (R) from \(A=\{1,2,3,4\}\) to \(B=\{2,5\}\)?
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Correct Answer
A. यह constant function हैIt is a constant function
Concept
Every input has image (2), so it is a constant function. Repeated output does not make a function invalid.
Why this answer is correct
The correct answer is A. यह constant function है / It is a constant function. Every input has image (2), so it is a constant function. Repeated output does not make a function invalid.
Exam Tip
हर input की image (2) है, इसलिए यह constant function है। एक ही output बार-बार आना function को invalid नहीं बनाता।
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