\(यदि (U=\mathbb{R}) और (A={x:-3\le x<4\) या \(7<x\le 10}), तो (A') क्या होगा\)?
\(If (U=\mathbb{R}) and (A={x:-3\le x<4\) or \(7<x\le 10}), what is (A')\)?
Explanation opens after your attempt
A. (\(-\infty,-3\)\cup[4,7]\cup\(10,\infty\))
Concept
(A) includes (-3) and (10), but excludes (4) and (7). Therefore the complement is (\(-\infty,-3\)\cup[4,7]\cup\(10,\infty\)).
Why this answer is correct
The correct answer is A. (\(-\infty,-3\)\cup[4,7]\cup\(10,\infty\)). (A) includes (-3) and (10), but excludes (4) and (7). Therefore the complement is (\(-\infty,-3\)\cup[4,7]\cup\(10,\infty\)).
Exam Tip
(A) में (-3) और (10) शामिल हैं, पर (4) और (7) शामिल नहीं हैं। इसलिए पूरक (\(-\infty,-3\)\cup[4,7]\cup\(10,\infty\)) है।
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