\(यदि (U=\mathbb{R}), (A={x:x<-4\) या \(x\ge 2}), तो (A') क्या है\)?
\(If (U=\mathbb{R}), (A={x:x<-4\) or \(x\ge 2}), what is (A')\)?
Explanation opens after your attempt
Correct Answer
A. ([-4,2))
Concept
To be outside (A), \(x\ge -4\) and (x<2) must hold. Therefore (A'=[-4,2)).
Why this answer is correct
The correct answer is A. ([-4,2)). To be outside (A), \(x\ge -4\) and (x<2) must hold. Therefore (A'=[-4,2)).
Exam Tip
(A) के बाहर होने के लिए \(x\ge -4\) और (x<2) होना चाहिए। इसलिए (A'=[-4,2)) है।
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