\(यदि (U={1,2,\ldots,22}), (A={x:x\in U,x\) सम है\(}), (B={x:x\in U,x\) पूर्ण वर्ग है\(}), तो ((A\cap B)') क्या है\)?
\(If (U={1,2,\ldots,22}), (A={x:x\in U,x\) is even\(}), and (B={x:x\in U,x\) is a perfect square\(}), what is ((A\cap B)')\)?
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Correct Answer
A. ({1,2,3,5,6,7,8,9,10,11,12,13,14,15,17,18,19,20,21,22})
Concept
\(A\cap B\) contains even perfect squares (4) and (16). Removing them from (U) gives the complement.
Why this answer is correct
The correct answer is A. ({1,2,3,5,6,7,8,9,10,11,12,13,14,15,17,18,19,20,21,22}). \(A\cap B\) contains even perfect squares (4) and (16). Removing them from (U) gives the complement.
Exam Tip
\(A\cap B\) में सम पूर्ण वर्ग (4) और (16) हैं। इन्हें (U) से हटाने पर पूरक मिलता है।
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