यदि \(A\subseteq B\) है, तो (\(A\cup B\)-\(A\cap B\)) किसके बराबर है?
If \(A\subseteq B\), then (\(A\cup B\)-\(A\cap B\)) is equal to which set?
Explanation opens after your attempt
A. (B-A)
Concept
When \(A\subseteq B\), \(A\cup B=B\) and \(A\cap B=A\). Hence the result is (B-A).
Why this answer is correct
The correct answer is A. (B-A). When \(A\subseteq B\), \(A\cup B=B\) and \(A\cap B=A\). Hence the result is (B-A).
Exam Tip
जब \(A\subseteq B\), तब \(A\cup B=B\) और \(A\cap B=A\) होता है। इसलिए परिणाम (B-A) है।
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