यदि (A-B={1,5}), (B-A={7}) और \(A\cap B={2,3}\), तो \(A\cup B\) क्या होगा?
If (A-B={1,5}), (B-A={7}), and \(A\cap B={2,3}\), what is \(A\cup B\)?
Explanation opens after your attempt
A. ( {1,2,3,5,7} )
Concept
The union contains all parts (A-B), (B-A), and \(A\cap B\). Combining them gives ({1,2,3,5,7}).
Why this answer is correct
The correct answer is A. ( {1,2,3,5,7} ). The union contains all parts (A-B), (B-A), and \(A\cap B\). Combining them gives ({1,2,3,5,7}).
Exam Tip
संघ में (A-B), (B-A) और \(A\cap B\) के सभी भाग आते हैं। इन्हें मिलाने पर ({1,2,3,5,7}) मिलता है।
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