यदि \(A=\varnothing\) और \(B=\{1,2,3\}\), तो \(A\times B\) क्या होगा?
If \(A=\varnothing\) and \(B=\{1,2,3\}\), what is \(A\times B\)?
Explanation opens after your attempt
A. \(\varnothing\)
Concept
The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.
Why this answer is correct
The correct answer is A. \(\varnothing\). The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.
Exam Tip
पहला समुच्चय रिक्त है, इसलिए कोई क्रमित युग्म बन नहीं सकता। रिक्त समुच्चय को (0) अवयव वाला समुच्चय मानें।
Login to save your score, XP, coins and progress.
