यदि \(U=\{1,2,3,4,5,6,7,8,9\}\) और \(A={x:x\in U,x<5}\) है, तो (A') क्या है?
If \(U=\{1,2,3,4,5,6,7,8,9\}\) and \(A={x:x\in U,x<5}\), what is (A')?
Explanation opens after your attempt
Correct Answer
A. ({5,6,7,8,9})
Concept
(A) contains numbers less than (5), namely (1,2,3,4), so the complement starts from (5). The inequality (x<5) does not include (5).
Why this answer is correct
The correct answer is A. ({5,6,7,8,9}). (A) contains numbers less than (5), namely (1,2,3,4), so the complement starts from (5). The inequality (x<5) does not include (5).
Exam Tip
(A) में (5) से छोटी संख्याएं (1,2,3,4) हैं, इसलिए पूरक (5) से शुरू होगा। असमानता (x<5) में (5) शामिल नहीं होता।
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