यदि \(A=\{1,4\}\) और \(B=\{2,5\}\) हैं, तो \(A\times B\) का सही रूप कौन सा है?
If \(A=\{1,4\}\) and \(B=\{2,5\}\), which is the correct form of \(A\times B\)?
Explanation opens after your attempt
Correct Answer
A. ({(1,2),(1,5),(4,2),(4,5)})
Concept
In \(A\times B\), the first component comes from (A) and the second from (B). The full list must have \(2\times 2=4\) ordered pairs.
Why this answer is correct
The correct answer is A. ({(1,2),(1,5),(4,2),(4,5)}). In \(A\times B\), the first component comes from (A) and the second from (B). The full list must have \(2\times 2=4\) ordered pairs.
Exam Tip
\(A\times B\) में पहला घटक (A) से और दूसरा घटक (B) से आता है। पूरी सूची में \(2\times 2=4\) क्रमित युग्म होने चाहिए।
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