यदि \(A=\{2,5\}\) और \(B=\{1,3,5\}\) हैं, तो कौन सा युग्म \(B\times A\) में है?
If \(A=\{2,5\}\) and \(B=\{1,3,5\}\), which pair belongs to \(B\times A\)?
Explanation opens after your attempt
Correct Answer
B. ((3,2))
Concept
In \(B\times A\), the first element must be from (B) and the second from (A). Hence ((3,2)) is correct.
Why this answer is correct
The correct answer is B. ((3,2)). In \(B\times A\), the first element must be from (B) and the second from (A). Hence ((3,2)) is correct.
Exam Tip
\(B\times A\) में पहला अवयव (B) से और दूसरा (A) से होना चाहिए। इसलिए ((3,2)) सही है।
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