यदि \(A\cap B=A\setminus B\) है, तो (A) के बारे में सही निष्कर्ष क्या है?
If \(A\cap B=A\setminus B\), what is the correct conclusion about (A)?
Explanation opens after your attempt
Correct Answer
A. \(A=\varnothing\)
Concept
\(A\cap B\) and \(A\setminus B\) are always disjoint, so they can be equal only when both are empty. Then (A) is empty too.
Why this answer is correct
The correct answer is A. \(A=\varnothing\). \(A\cap B\) and \(A\setminus B\) are always disjoint, so they can be equal only when both are empty. Then (A) is empty too.
Exam Tip
\(A\cap B\) और \(A\setminus B\) हमेशा असंबद्ध होते हैं, इसलिए वे समान तभी हो सकते हैं जब दोनों रिक्त हों। तब (A) भी रिक्त है।
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