यदि (A=(-2,5]) और (B=[1,8)) हैं, तो \(A\setminus B\) क्या है?
If (A=(-2,5]) and (B=[1,8)), what is \(A\setminus B\)?
Explanation opens after your attempt
Correct Answer
A. ((-2,1))
Concept
Since (1) is included in (B), (1) and the common part after it are removed from (A). Watch open and closed endpoints in interval differences.
Why this answer is correct
The correct answer is A. ((-2,1)). Since (1) is included in (B), (1) and the common part after it are removed from (A). Watch open and closed endpoints in interval differences.
Exam Tip
(B) में (1) शामिल है, इसलिए (A) से (1) और उसके बाद का साझा भाग हटेगा। अंतर में सिरों की खुली-बंद स्थिति ध्यान से देखें।
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