यदि \(A=\{1,2,3\}\) और \(R=\{(a,b):a+b=4\}\) हो तो (R) क्या है?
If \(A=\{1,2,3\}\) and \(R=\{(a,b):a+b=4\}\), what is (R)?
Explanation opens after your attempt
Correct Answer
A. \({(1,3),(2,2),(3,1)}\)
Concept
The pairs in (A) whose sum is (4) are ((1,3),(2,2),(3,1)). Apply the condition to both orders.
Why this answer is correct
The correct answer is A. \({(1,3),(2,2),(3,1)}\). The pairs in (A) whose sum is (4) are ((1,3),(2,2),(3,1)). Apply the condition to both orders.
Exam Tip
(A) के भीतर जिन युग्मों का योग (4) है वे ((1,3),(2,2),(3,1)) हैं। शर्त को दोनों क्रमों पर लागू करें।
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