यदि \(A=\{1,2,3\}\) और \(B=\{a,b,c\}\) हों, तो कौन-सा विकल्प फलन नहीं है क्योंकि प्रांत का एक तत्व छूट गया है?
If \(A=\{1,2,3\}\) and \(B=\{a,b,c\}\), which option is not a function because one domain element is missing?
Explanation opens after your attempt
Correct Answer
A. ({(1,a),(2,b)})
Concept
In option (A), (3) has no image. In exams, the whole domain must be covered for a function.
Why this answer is correct
The correct answer is A. ({(1,a),(2,b)}). In option (A), (3) has no image. In exams, the whole domain must be covered for a function.
Exam Tip
विकल्प (A) में (3) की कोई छवि नहीं है। परीक्षा में फलन के लिए पूरा प्रांत कवर होना चाहिए।
Login to save your score, XP, coins and progress.