यदि \(A=\{1,2,3\}\) और \(B=\{4,5\}\) हों, तो संबंध \(R=\{(1,4),(2,5),(3,4)\}\) के बारे में सही कथन क्या है?
If \(A=\{1,2,3\}\) and \(B=\{4,5\}\), what is the correct statement about the relation \(R=\{(1,4),(2,5),(3,4)\}\)?
Explanation opens after your attempt
Correct Answer
A. यह (A) से (B) में फलन हैIt is a function from (A) to (B)
Concept
Each element of (A) has exactly one image in (B). In exams, repetition of the second component does not make a function invalid.
Why this answer is correct
The correct answer is A. यह (A) से (B) में फलन है / It is a function from (A) to (B). Each element of (A) has exactly one image in (B). In exams, repetition of the second component does not make a function invalid.
Exam Tip
(A) के प्रत्येक तत्व की (B) में ठीक एक छवि है। परीक्षा में दूसरे घटक के दोहराने से फलन गलत नहीं होता।
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