संबंध \(R=\{(x,y)\in A\times B:y=x+1\}\), जहां \(A=\{1,2,3\}\) और \(B=\{2,3,4,5\}\), किस प्रकार का है?
The relation \(R=\{(x,y)\in A\times B:y=x+1\}\), where \(A=\{1,2,3\}\) and \(B=\{2,3,4,5\}\), is of which type?
Explanation opens after your attempt
B. (A) से (B) में फलनA function from (A) to (B)
Concept
For every \(x \in A\), (y=x+1) gives exactly one value in (B). Hence it is a function from (A) to (B).
Why this answer is correct
The correct answer is B. (A) से (B) में फलन / A function from (A) to (B). For every \(x \in A\), (y=x+1) gives exactly one value in (B). Hence it is a function from (A) to (B).
Exam Tip
हर \(x \in A\) के लिए (y=x+1) का ठीक एक मान (B) में है। इसलिए यह (A) से (B) में फलन है।
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