यदि \(A=\{1,2\}\) और \(B=\{3,4\}\), तो \(P(A)\cap P(B)\) क्या है?
If \(A=\{1,2\}\) and \(B=\{3,4\}\), then what is \(P(A)\cap P(B)\)?
Explanation opens after your attempt
Correct Answer
B. \({\varnothing}\)
Concept
Both power sets always contain the empty set, and no other subset is common here. For disjoint original sets, the common element is \(\varnothing\).
Why this answer is correct
The correct answer is B. \({\varnothing}\). Both power sets always contain the empty set, and no other subset is common here. For disjoint original sets, the common element is \(\varnothing\).
Exam Tip
दोनों पावर सेटों में खाली समुच्चय हमेशा होता है और कोई अन्य समान उपसमुच्चय नहीं है। असंबद्ध मूल समुच्चयों के लिए सामान्य अवयव \(\varnothing\) रहता है।
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