यदि \(U_1={1,2,3,4,5}\), \(U_2={1,2,3,4,5,6,7}\) और \(A=\{2,5\}\) है, तो \(U_2\) के सापेक्ष \(A^c\) में \(U_1\) के सापेक्ष \(A^c\) से कौन से अतिरिक्त तत्व होंगे?
If \(U_1={1,2,3,4,5}\), \(U_2={1,2,3,4,5,6,7}\), and \(A=\{2,5\}\), which extra elements are in \(A^c\) relative to \(U_2\) compared with \(A^c\) relative to \(U_1\)?
Explanation opens after your attempt
Correct Answer
A. ({6,7})
Concept
Relative to \(U_1\), the complement is ({1,3,4}), and relative to \(U_2\), it is ({1,3,4,6,7}). The extra elements are ({6,7}).
Why this answer is correct
The correct answer is A. ({6,7}). Relative to \(U_1\), the complement is ({1,3,4}), and relative to \(U_2\), it is ({1,3,4,6,7}). The extra elements are ({6,7}).
Exam Tip
\(U_1\) में पूरक ({1,3,4}) और \(U_2\) में पूरक ({1,3,4,6,7}) है। अतिरिक्त तत्व ({6,7}) हैं।
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