यदि \(A={x:x\in\mathbb{R},-1<x\le 5}\) और \(B={x:x\in\mathbb{R},2\le x<7}\) है, तो \(A\setminus B\) क्या है?
If \(A={x:x\in\mathbb{R},-1<x\le 5}\) and \(B={x:x\in\mathbb{R},2\le x<7}\), then what is \(A\setminus B\)?
Explanation opens after your attempt
Correct Answer
A. ((-1,2))
Concept
Since (2) is included in (B), (2) and the common part after it are removed from (A). The remaining part is ((-1,2)).
Why this answer is correct
The correct answer is A. ((-1,2)). Since (2) is included in (B), (2) and the common part after it are removed from (A). The remaining part is ((-1,2)).
Exam Tip
(B) में (2) शामिल है, इसलिए (A) से (2) और उसके बाद का साझा भाग हटेगा। बचा भाग ((-1,2)) है।
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