यदि \(A=\{2,5\}\) और \(B=\{6,7\}\) हैं, तो \(A\times B\) में (7) दूसरे घटक के रूप में किन युग्मों में आएगा?
If \(A=\{2,5\}\) and \(B=\{6,7\}\), in which pairs will (7) appear as the second component in \(A\times B\)?
Explanation opens after your attempt
Correct Answer
A. ({(2,7),(5,7)})
Concept
The second component (7) is fixed and the first component comes from (2) or (5) in (A). With a second-component condition, the first position changes.
Why this answer is correct
The correct answer is A. ({(2,7),(5,7)}). The second component (7) is fixed and the first component comes from (2) or (5) in (A). With a second-component condition, the first position changes.
Exam Tip
दूसरा घटक (7) तय है और पहला घटक (A) के (2) या (5) से आएगा। दूसरे घटक की शर्त में पहला स्थान बदलता है।
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