यदि \(A=\{3,6,9,12\}\) और \(B=\{6,12,18,24\}\) है, तो \((A-B)\cap(B-A)\) क्या है?
If \(A=\{3,6,9,12\}\) and \(B=\{6,12,18,24\}\), what is \((A-B)\cap(B-A)\)?
Explanation opens after your attempt
Correct Answer
C. \( \varnothing \)
Concept
(A-B={3,9}) and (B-A={18,24}), and they have no common element. Therefore their intersection is \(\varnothing\).
Why this answer is correct
The correct answer is C. \( \varnothing \). (A-B={3,9}) and (B-A={18,24}), and they have no common element. Therefore their intersection is \(\varnothing\).
Exam Tip
(A-B={3,9}) और (B-A={18,24}) हैं, जिनमें कोई समान अवयव नहीं है। इसलिए उनका प्रतिच्छेद \(\varnothing\) है।
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