यदि \(A=\{1,2,3\}\), \(B=\{2,4,6,8\}\) और (f(x)=2x) हो, तो (8) के बारे में क्या सही है?
If \(A=\{1,2,3\}\), \(B=\{2,4,6,8\}\), and (f(x)=2x), what is true about (8)?
Explanation opens after your attempt
Correct Answer
A. (8) सहप्रांत में है पर परिसर में नहीं(8) is in the codomain but not in the range
Concept
The images are (2,4,6), so (8) is not obtained. In exams, keep the difference between codomain and range clear.
Why this answer is correct
The correct answer is A. (8) सहप्रांत में है पर परिसर में नहीं / (8) is in the codomain but not in the range. The images are (2,4,6), so (8) is not obtained. In exams, keep the difference between codomain and range clear.
Exam Tip
छवियां (2,4,6) हैं इसलिए (8) प्राप्त नहीं होता। परीक्षा में सहप्रांत और परिसर का अंतर स्पष्ट रखें।
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