यदि \(A=\{1,2,3,4\}\) और \(B=\{3,4,5,6\}\) है, तो (\(A\cup B\)-A) क्या है?
If \(A=\{1,2,3,4\}\) and \(B=\{3,4,5,6\}\), what is (\(A\cup B\)-A)?
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Correct Answer
B. ( {5,6} )
Concept
\(A\cup B={1,2,3,4,5,6}\), and removing (A) leaves ({5,6}). This is equal to (B-A).
Why this answer is correct
The correct answer is B. ( {5,6} ). \(A\cup B={1,2,3,4,5,6}\), and removing (A) leaves ({5,6}). This is equal to (B-A).
Exam Tip
\(A\cup B={1,2,3,4,5,6}\) है और (A) हटाने पर ({5,6}) बचता है। यह (B-A) के बराबर है।
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