समुच्चय \(A=\{1,2,3,4\}\) पर संबंध \(R=\{(a,b):a+b=6\}\) का domain क्या है?
For the relation \(R=\{(a,b):a+b=6\}\) on \(A=\{1,2,3,4\}\), what is the domain?
Explanation opens after your attempt
B. ({2,3,4})
Concept
The valid pairs are ((2,4),(3,3),(4,2)). Their first components are ({2,3,4}).
Why this answer is correct
The correct answer is B. ({2,3,4}). The valid pairs are ((2,4),(3,3),(4,2)). Their first components are ({2,3,4}).
Exam Tip
मान्य युग्म ((2,4),(3,3),(4,2)) हैं। इनके पहले घटक ({2,3,4}) हैं।
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