यदि \(A=\{1,2,3\}\), \(B=\{3,4\}\) और \(C=\{4,5\}\) हैं, तो (\(A\cup B\)\cap C) क्या है?
If \(A=\{1,2,3\}\), \(B=\{3,4\}\), and \(C=\{4,5\}\), what is (\(A\cup B\)\cap C)?
Explanation opens after your attempt
A. ( {4} )
Concept
First find \(A\cup B={1,2,3,4}\). Then the common element with (C) is (4).
Why this answer is correct
The correct answer is A. ( {4} ). First find \(A\cup B={1,2,3,4}\). Then the common element with (C) is (4).
Exam Tip
पहले \(A\cup B={1,2,3,4}\) निकालें। फिर (C) से सामान्य अवयव (4) है।
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