यदि \(A={x:x\in\mathbb{Z},;|x|\le 4}\) और \(B={x:x\in\mathbb{Z},;x^2\le 9}\), तो \(A\setminus B\) क्या है?
If \(A={x:x\in\mathbb{Z},;|x|\le 4}\) and \(B={x:x\in\mathbb{Z},;x^2\le 9}\), what is \(A\setminus B\)?
Explanation opens after your attempt
A. ({-4,4})
Concept
Here \(A=\{-4,-3,-2,-1,0,1,2,3,4\}\) and \(B=\{-3,-2,-1,0,1,2,3\}\). The difference leaves ({-4,4}).
Why this answer is correct
The correct answer is A. ({-4,4}). Here \(A=\{-4,-3,-2,-1,0,1,2,3,4\}\) and \(B=\{-3,-2,-1,0,1,2,3\}\). The difference leaves ({-4,4}).
Exam Tip
\(A=\{-4,-3,-2,-1,0,1,2,3,4\}\) और \(B=\{-3,-2,-1,0,1,2,3\}\) है। अंतर में ({-4,4}) बचता है।
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