यदि (\mathcal{P}\(A\cap B\)={\varnothing}), तो \(A\cap B\) क्या होगा?
If (\mathcal{P}\(A\cap B\)={\varnothing}), what is \(A\cap B\)?
Explanation opens after your attempt
Correct Answer
A. \(\varnothing\)
Concept
The power set of a set is only \({\varnothing}\) exactly when the original set is \(\varnothing\). Therefore \(A\cap B=\varnothing\).
Why this answer is correct
The correct answer is A. \(\varnothing\). The power set of a set is only \({\varnothing}\) exactly when the original set is \(\varnothing\). Therefore \(A\cap B=\varnothing\).
Exam Tip
किसी सेट का पावर सेट केवल \({\varnothing}\) तभी होता है जब मूल सेट \(\varnothing\) हो। इसलिए \(A\cap B=\varnothing\) है।
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