यदि \(A=\{1,3,5\}\) और \(B=\{2,4\}\) हैं, तो \(A\times B\) में ऐसा कौन सा युग्म है जिसके दोनों घटकों का योग (7) है?
If \(A=\{1,3,5\}\) and \(B=\{2,4\}\), which pair in \(A\times B\) has sum of components (7)?
Explanation opens after your attempt
A. ((3,4))
Concept
\((3,4)\in A\times B\) and (3+4=7). ((4,3)) is not correct because the first element is not from (A).
Why this answer is correct
The correct answer is A. ((3,4)). \((3,4)\in A\times B\) and (3+4=7). ((4,3)) is not correct because the first element is not from (A).
Exam Tip
\((3,4)\in A\times B\) और (3+4=7)। ((4,3)) सही नहीं क्योंकि पहला अवयव (A) से नहीं है।
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