यदि \(f:{1,2,3}\to{2,3,4,5}\) को (f(x)=x+1) से परिभाषित किया गया है, तो कौन-सा तत्व सहप्रांत में है पर परिसर में नहीं है?
If \(f:{1,2,3}\to{2,3,4,5}\) is defined by (f(x)=x+1), which element is in the codomain but not in the range?
Explanation opens after your attempt
Correct Answer
D. (5)
Concept
The range is ({2,3,4}), so (5) is in the codomain but not in the range. In exams, keep codomain and range separate.
Why this answer is correct
The correct answer is D. (5). The range is ({2,3,4}), so (5) is in the codomain but not in the range. In exams, keep codomain and range separate.
Exam Tip
परिसर ({2,3,4}) है इसलिए (5) सहप्रांत में है पर परिसर में नहीं। परीक्षा में सहप्रांत और परिसर को अलग रखें।
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