यदि \(R=\{(1,2),(2,3),(3,4)\}\), \(A=\{1,2,3\}\), और \(B=\{2,3,4,5\}\) है तो सही कथन क्या है?
If \(R={(1,2),(2,3),(3,4)\), \(A=\{1,2,3\}\), and \(B=\{2,3,4,5\}\), which statement is correct?
Explanation opens after your attempt
Correct Answer
A. (R) (A) से (B) में फलन है(R) is a function from (A) to (B)
Concept
The elements (1), (2), and (3) of (A) each have exactly one image in (B). It is not necessary to use every element of the codomain.
Why this answer is correct
The correct answer is A. (R) (A) से (B) में फलन है / (R) is a function from (A) to (B). The elements (1), (2), and (3) of (A) each have exactly one image in (B). It is not necessary to use every element of the codomain.
Exam Tip
(A) के (1), (2), और (3) का ठीक एक प्रतिबिंब (B) में है। सहप्रांत के हर तत्व का प्रयोग होना जरूरी नहीं।
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