यदि \(A=\{1,3\}\) और \(B=\{2,3,4\}\) हैं, तो \((3,4)\in A\times B\) क्यों है?
If \(A=\{1,3\}\) and \(B=\{2,3,4\}\), why is \((3,4)\in A\times B\)?
Explanation opens after your attempt
Correct Answer
A. क्योंकि \(3\in A\) और \(4\in B\)Because \(3\in A\) and \(4\in B\)
Concept
In ((3,4)), the first component is from (A) and the second is from (B). This is the membership condition for \(A\times B\).
Why this answer is correct
The correct answer is A. क्योंकि \(3\in A\) और \(4\in B\) / Because \(3\in A\) and \(4\in B\). In ((3,4)), the first component is from (A) and the second is from (B). This is the membership condition for \(A\times B\).
Exam Tip
((3,4)) में पहला घटक (A) से और दूसरा घटक (B) से है। यही \(A\times B\) की सदस्यता की शर्त है।
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