यदि \(A=\{1,2\}\) और \(R=A\times A\) है, तो (R) में कौन-सा pair होगा?
If \(A=\{1,2\}\) and \(R=A\times A\), which pair will be in (R)?
Explanation opens after your attempt
Correct Answer
B. ( (2,1) )
Concept
In \(A\times A\), both components must come from (A). Both components of ( (2,1) ) are in (A).
Why this answer is correct
The correct answer is B. ( (2,1) ). In \(A\times A\), both components must come from (A). Both components of ( (2,1) ) are in (A).
Exam Tip
\(A\times A\) में दोनों घटक (A) से होने चाहिए। ( (2,1) ) के दोनों घटक (A) में हैं।
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