यदि \(U=\mathbb{R}\), (A=[-5,1)) और (B=(3,8]), तो (\(A\cup B\)') क्या है?
If \(U=\mathbb{R}\), (A=[-5,1)), and (B=(3,8]), what is (\(A\cup B\)')?
Explanation opens after your attempt
Correct Answer
A. (\(-\infty,-5\)\cup[1,3]\cup\(8,\infty\))
Concept
Removing \(A\cup B\) from the real line leaves three parts. Watch the open and closed endpoints carefully.
Why this answer is correct
The correct answer is A. (\(-\infty,-5\)\cup[1,3]\cup\(8,\infty\)). Removing \(A\cup B\) from the real line leaves three parts. Watch the open and closed endpoints carefully.
Exam Tip
\(A\cup B\) को वास्तविक रेखा से हटाने पर तीन भाग बचते हैं। सिरों की खुली-बंद स्थिति ध्यान से देखें।
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