किसी भी समुच्चय (A) के लिए (n\(A\cap A^c\)) कितना होता है?
For any set (A), what is (n\(A\cap A^c\))?
Explanation opens after your attempt
A. (0)
Concept
\(A\cap A^c=\varnothing\), so it has no element. Hence its cardinality is (0).
Why this answer is correct
The correct answer is A. (0). \(A\cap A^c=\varnothing\), so it has no element. Hence its cardinality is (0).
Exam Tip
\(A\cap A^c=\varnothing\), इसलिए इसमें कोई तत्व नहीं होता। अतः इसकी संख्या (0) है।
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