यदि \(A=\{m,n,o\}\) और \(B=\{n,o,p,q\}\) हैं, तो (\(A\cup B\)\setminus A) क्या है?
If \(A=\{m,n,o\}\) and \(B=\{n,o,p,q\}\), what is (\(A\cup B\)\setminus A)?
Explanation opens after your attempt
A. ( {p,q} )
Concept
\(A\cup B={m,n,o,p,q}\), and removing (A) leaves (p,q). This equals \(B\setminus A\).
Why this answer is correct
The correct answer is A. ( {p,q} ). \(A\cup B={m,n,o,p,q}\), and removing (A) leaves (p,q). This equals \(B\setminus A\).
Exam Tip
\(A\cup B={m,n,o,p,q}\), इससे (A) हटाने पर (p,q) बचते हैं। यह \(B\setminus A\) के बराबर है।
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