यदि \(U=\mathbb{R}\), (A=[-7,-1)) और (B=(-3,5]), तो (\(A\cap B\)') क्या है?
If \(U=\mathbb{R}\), (A=[-7,-1)), and (B=(-3,5]), what is (\(A\cap B\)')?
Explanation opens after your attempt
Correct Answer
A. (\(-\infty,-3]\cup[-1,\infty\))
Concept
\(A\cap B=(-3,-1)\). Its complement is (\(-\infty,-3]\cup[-1,\infty\)).
Why this answer is correct
The correct answer is A. (\(-\infty,-3]\cup[-1,\infty\)). \(A\cap B=(-3,-1)\). Its complement is (\(-\infty,-3]\cup[-1,\infty\)).
Exam Tip
\(A\cap B=(-3,-1)\) है। इसका पूरक (\(-\infty,-3]\cup[-1,\infty\)) होगा।
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