यदि \(U=\mathbb{R}\), (A=(-6,1]) और (B=[-2,5)), तो (\(A\cup B\)') क्या है?
If \(U=\mathbb{R}\), (A=(-6,1]) and (B=[-2,5)), what is (\(A\cup B\)')?
Explanation opens after your attempt
Correct Answer
A. (\(-\infty,-6]\cup[5,\infty\))
Concept
\(A\cup B=(-6,5)\), because (-6) and (5) are not included. Therefore the complement is (\(-\infty,-6]\cup[5,\infty\)).
Why this answer is correct
The correct answer is A. (\(-\infty,-6]\cup[5,\infty\)). \(A\cup B=(-6,5)\), because (-6) and (5) are not included. Therefore the complement is (\(-\infty,-6]\cup[5,\infty\)).
Exam Tip
\(A\cup B=(-6,5)\) है, क्योंकि (-6) और (5) शामिल नहीं हैं। इसलिए पूरक (\(-\infty,-6]\cup[5,\infty\)) है।
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