यदि \(A=\{1,2,3,4\}\), \(R=\{(a,b):a+b=5\}\), तो \(R\circ R\) में कौन सा युग्म होगा?
If \(A=\{1,2,3,4\}\), \(R=\{(a,b):a+b=5\}\), which pair will be in \(R\circ R\)?
Explanation opens after your attempt
A. ((1,1))
Concept
Since (1R4) and (4R1), \((1,1)\in R\circ R\). In composition, the middle element must match.
Why this answer is correct
The correct answer is A. ((1,1)). Since (1R4) and (4R1), \((1,1)\in R\circ R\). In composition, the middle element must match.
Exam Tip
(1R4) और (4R1), इसलिए \((1,1)\in R\circ R\) है। composition में बीच वाला अवयव समान होना चाहिए।
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