\(यदि (U=\mathbb{R}), (A={x:x \in \mathbb{R},x\ne -2\) और \(x\ne 5}), तो (A') क्या है\)?
\(If (U=\mathbb{R}), (A={x:x \in \mathbb{R},x\ne -2\) and \(x\ne 5}), what is (A')\)?
Explanation opens after your attempt
A. ({-2,5})
Concept
(A) contains all real numbers except (-2) and (5). Therefore the complement is only ({-2,5}).
Why this answer is correct
The correct answer is A. ({-2,5}). (A) contains all real numbers except (-2) and (5). Therefore the complement is only ({-2,5}).
Exam Tip
(A) में सभी वास्तविक संख्याएं हैं, पर (-2) और (5) नहीं हैं। इसलिए पूरक केवल ({-2,5}) है।
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