यदि \(A=\{0,1,2\}\) और \(B=\{1,2,3\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (xy=2)?
If \(A=\{0,1,2\}\) and \(B=\{1,2,3\}\), how many pairs ((x,y)) in \(A\times B\) satisfy (xy=2)?
Explanation opens after your attempt
Correct Answer
A. (2)
Concept
The valid pairs are ((1,2)) and ((2,1)). Remember that these two ordered pairs are considered different.
Why this answer is correct
The correct answer is A. (2). The valid pairs are ((1,2)) and ((2,1)). Remember that these two ordered pairs are considered different.
Exam Tip
सही युग्म ((1,2)) और ((2,1)) हैं। ध्यान रखें कि दोनों क्रमित युग्म अलग माने जाते हैं।
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