यदि \(A=\{1,2,3\}\) और \(B=\{1,2,3,4\}\) हों, तथा (f(x)=x) हो, तो (f) का परिसर क्या है?
If \(A=\{1,2,3\}\) and \(B=\{1,2,3,4\}\), and (f(x)=x), what is the range of (f)?
Explanation opens after your attempt
Correct Answer
A. ({1,2,3})
Concept
For (x=1,2,3), the images are (1,2,3). In exams, an extra element of the codomain need not belong to the range.
Why this answer is correct
The correct answer is A. ({1,2,3}). For (x=1,2,3), the images are (1,2,3). In exams, an extra element of the codomain need not belong to the range.
Exam Tip
(x=1,2,3) पर छवियां (1,2,3) ही हैं। परीक्षा में सहप्रांत का अतिरिक्त तत्व परिसर में जरूरी नहीं आता।
Login to save your score, XP, coins and progress.