यदि \(A=\{1,2,3\}\) और \(B=\{2,3,4\}\) हैं, तो कौन-सा अवयव \(A\cup B\) में है पर \(A\cap B\) में नहीं है?
If \(A=\{1,2,3\}\) and \(B=\{2,3,4\}\), which element is in \(A\cup B\) but not in \(A\cap B\)?
Explanation opens after your attempt
Correct Answer
A. (1)
Concept
\(A\cup B={1,2,3,4}\) and \(A\cap B={2,3}\). Among the options, (1) is in the union but not in the intersection.
Why this answer is correct
The correct answer is A. (1). \(A\cup B={1,2,3,4}\) and \(A\cap B={2,3}\). Among the options, (1) is in the union but not in the intersection.
Exam Tip
\(A\cup B={1,2,3,4}\) और \(A\cap B={2,3}\) है। दिए गए विकल्पों में (1) union में है लेकिन intersection में नहीं है।
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