यदि \(A=\{2,3\}\) और \(B=\{1,2,3\}\) हैं, तो \(A\times B\) में दोनों घटक बराबर होने वाले कितने युग्म हैं?
If \(A=\{2,3\}\) and \(B=\{1,2,3\}\), how many pairs in \(A\times B\) have both components equal?
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Correct Answer
B. (2)
Concept
The equal-component pairs are ((2,2)) and ((3,3)). In such questions, look at common elements of both sets.
Why this answer is correct
The correct answer is B. (2). The equal-component pairs are ((2,2)) and ((3,3)). In such questions, look at common elements of both sets.
Exam Tip
समान घटक वाले युग्म ((2,2)) और ((3,3)) हैं। ऐसे प्रश्नों में दोनों समुच्चयों के साझा तत्वों को देखें।
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