किसी भी समुच्चय (A) के लिए \(A\cap A^c\) किसके बराबर होता है?
For any set (A), \(A\cap A^c\) is equal to what?
Explanation opens after your attempt
A. \(\varnothing\)empty set
Concept
No element can be both in (A) and outside (A) at the same time. Hence \(A\cap A^c=\varnothing\).
Why this answer is correct
The correct answer is A. \(\varnothing\) / empty set. No element can be both in (A) and outside (A) at the same time. Hence \(A\cap A^c=\varnothing\).
Exam Tip
कोई तत्व एक साथ (A) में और (A) के बाहर नहीं हो सकता। इसलिए \(A\cap A^c=\varnothing\) होता है।
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