यदि \(A=\{1,2,3\}\), \(B=\{4,5,6\}\) हैं, तो \(A\times B\) में ((3,6)), ((4,5)), ((2,4)) में से कौन सा युग्म नहीं है?
If \(A=\{1,2,3\}\), \(B=\{4,5,6\}\), which among ((3,6)), ((4,5)), and ((2,4)) is not in \(A\times B\)?
Explanation opens after your attempt
B. ((4,5))
Concept
In ((4,5)), the first component (4) is not in (A). Check the first and second positions separately.
Why this answer is correct
The correct answer is B. ((4,5)). In ((4,5)), the first component (4) is not in (A). Check the first and second positions separately.
Exam Tip
((4,5)) में पहला अवयव (4) है, जो (A) में नहीं है। सदस्यता में पहला और दूसरा स्थान अलग-अलग जाँचें।
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