यदि relation (R) को \(R=\{(x,y):y=2x,\ x\in{1,2,3}\}\) से define किया गया है, तो (R) का codomain न्यूनतम कौन-सा हो सकता है ताकि (R) फलन बने?
If relation (R) is defined by \(R=\{(x,y):y=2x,\ x\in{1,2,3}\}\), what can be the smallest codomain so that (R) is a function?
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Correct Answer
A. \({2,4,6})
Concept
The outputs are (2,4,6), so the smallest codomain can be the set of these images. The codomain must contain all possible outputs.
Why this answer is correct
The correct answer is A. \({2,4,6}). The outputs are (2,4,6), so the smallest codomain can be the set of these images. The codomain must contain all possible outputs.
Exam Tip
outputs (2,4,6) हैं, इसलिए smallest codomain इन्हीं images का set हो सकता है। codomain में सभी possible outputs होने चाहिए।
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