\(A=\{1,2,3,4\}\) पर \(R=\{(a,b):a+b=7\}\) का range क्या है?
On \(A=\{1,2,3,4\}\), what is the range of \(R=\{(a,b):a+b=7\}\)?
Explanation opens after your attempt
Correct Answer
B. ({3,4})
Concept
The valid pairs are ((3,4)) and ((4,3)). Hence the set of second components is ({3,4}).
Why this answer is correct
The correct answer is B. ({3,4}). The valid pairs are ((3,4)) and ((4,3)). Hence the set of second components is ({3,4}).
Exam Tip
मान्य युग्म ((3,4)) और ((4,3)) हैं। इसलिए दूसरे घटकों का समुच्चय ({3,4}) है।
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