यदि \(A=\{1,3,5\}\) और \(B=\{2,4\}\) हैं, तो कौन सा युग्म \(A\times B\) में नहीं है?
If \(A=\{1,3,5\}\) and \(B=\{2,4\}\), which pair is not in \(A\times B\)?
Explanation opens after your attempt
Correct Answer
C. ((2,5))
Concept
In ((2,5)), the first element is not from (A) and the second is not from (B). Reversing order is a common Cartesian product mistake.
Why this answer is correct
The correct answer is C. ((2,5)). In ((2,5)), the first element is not from (A) and the second is not from (B). Reversing order is a common Cartesian product mistake.
Exam Tip
((2,5)) में पहला अवयव (A) से नहीं और दूसरा (B) से नहीं है। कार्तीय गुणन में क्रम बदलना सामान्य गलती है।
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