यदि \(A=\{m,n,p,q\}\) और \(B=\{n,q,r,s\}\) हैं, तो (A\cup\(B\setminus A\)) क्या है?
If \(A=\{m,n,p,q\}\) and \(B=\{n,q,r,s\}\), what is (A\cup\(B\setminus A\))?
Explanation opens after your attempt
Correct Answer
A. ( {m,n,p,q,r,s} )
Concept
\(B\setminus A={r,s}\). Combining it with (A) gives the complete set same as \(A\cup B\).
Why this answer is correct
The correct answer is A. ( {m,n,p,q,r,s} ). \(B\setminus A={r,s}\). Combining it with (A) gives the complete set same as \(A\cup B\).
Exam Tip
\(B\setminus A={r,s}\) है। इसे (A) से मिलाने पर \(A\cup B\) जैसा पूरा समुच्चय मिलता है।
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