यदि \(A={x:x\in\mathbb{N},x\mid 30}\) और \(B={x:x\in\mathbb{N},x\mid 45}\) हैं, तो (\(A\cup B\)\setminus\(A\cap B\)) क्या है?
If \(A={x:x\in\mathbb{N},x\mid 30}\) and \(B={x:x\in\mathbb{N},x\mid 45}\), what is (\(A\cup B\)\setminus\(A\cap B\))?
Explanation opens after your attempt
Correct Answer
A. ( {2,6,9,10,30,45} )
Concept
Here \(A\cap B={1,3,5,15}\), so the common part is removed from the union. In exams, first list all factors completely.
Why this answer is correct
The correct answer is A. ( {2,6,9,10,30,45} ). Here \(A\cap B={1,3,5,15}\), so the common part is removed from the union. In exams, first list all factors completely.
Exam Tip
यहां \(A\cap B={1,3,5,15}\) है, इसलिए संघ से सामान्य भाग हटता है। परीक्षा में पहले गुणनखंडों की पूरी सूची बनाएं।
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