यदि \(f:{1,2,3}\to{1,4,9,16}\) और (f(x)=x-2) हो, तो कौन-सा तत्व सहप्रांत में है पर परिसर में नहीं है?
If \(f:{1,2,3}\to{1,4,9,16}\) and (f(x)=x-2), which element is in the codomain but not in the range?
Explanation opens after your attempt
Correct Answer
D. (16)
Concept
The range is ({1,4,9}), and (16) is not obtained. In exams, first find the range and then compare it with the codomain.
Why this answer is correct
The correct answer is D. (16). The range is ({1,4,9}), and (16) is not obtained. In exams, first find the range and then compare it with the codomain.
Exam Tip
परिसर ({1,4,9}) है और (16) प्राप्त नहीं होता। परीक्षा में पहले परिसर निकालें फिर सहप्रांत से तुलना करें।
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