\(यदि (U={1,2,\ldots,30}), (A={x:x\in U,x\) पूर्ण वर्ग है\(}) और (B={x:x\in U,x\) सम है\(}), तो (A'\cap B) क्या है\)?
\(If (U={1,2,\ldots,30}), (A={x:x\in U,x\) is a perfect square\(}), and (B={x:x\in U,x\) is even\(}), what is (A'\cap B)\)?
Correct answer and explanation
A. ({2,6,8,10,12,14,18,20,22,24,26,28,30})
Simple Explanation
(B) की सम संख्याओं में से पूर्ण वर्ग (4) और (16) हटेंगे। इसलिए \(A'\cap B\) में बाकी सम संख्याएं आएंगी। / From the even numbers in (B), the perfect squares (4) and (16) are removed. Therefore \(A'\cap B\) contains the remaining even numbers.
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