कौन सा कथन (\(A\cup B\)\cap\(A\setminus B\)) के बराबर है?
Which expression is equal to (\(A\cup B\)\cap\(A\setminus B\))?
Explanation opens after your attempt
A. \(A\setminus B\)
Concept
Every element of \(A\setminus B\) lies in (A), so it also lies in \(A\cup B\). Therefore the intersection remains \(A\setminus B\).
Why this answer is correct
The correct answer is A. \(A\setminus B\). Every element of \(A\setminus B\) lies in (A), so it also lies in \(A\cup B\). Therefore the intersection remains \(A\setminus B\).
Exam Tip
\(A\setminus B\) का हर तत्व (A) में है, इसलिए वह \(A\cup B\) में भी है। अतः प्रतिच्छेद वही \(A\setminus B\) रहेगा।
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