यदि \(A\setminus B=A\) है, तो निम्न में से कौन सा कथन अवश्य सत्य है?
If \(A\setminus B=A\), which statement must be true?
Explanation opens after your attempt
Correct Answer
A. \(A\cap B=\varnothing\)
Concept
The condition means no element of (A) is removed by (B). Hence \(A\cap B=\varnothing\).
Why this answer is correct
The correct answer is A. \(A\cap B=\varnothing\). The condition means no element of (A) is removed by (B). Hence \(A\cap B=\varnothing\).
Exam Tip
\(A\setminus B=A\) का अर्थ है कि (A) का कोई भी तत्व (B) में नहीं गया। अतः \(A\cap B=\varnothing\) है।
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