यदि \(R=\{4,5,6\}\) और \(S=\varnothing\) हैं, तो \(R\times S\) क्या होगा?
If \(R=\{4,5,6\}\) and \(S=\varnothing\), what is \(R\times S\)?
Explanation opens after your attempt
Correct Answer
A. \(\varnothing\)
Concept
There is no element in (S) for the second component, so no pair is formed. Product with an empty set gives the empty set.
Why this answer is correct
The correct answer is A. \(\varnothing\). There is no element in (S) for the second component, so no pair is formed. Product with an empty set gives the empty set.
Exam Tip
दूसरे घटक के लिए (S) में कोई तत्व नहीं है, इसलिए कोई युग्म नहीं बनेगा। खाली समुच्चय के साथ गुणन हमेशा खाली देता है।
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