यदि \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3\}\) और \(B=\{3,4,5\}\) हैं तो (\(A\cup B\)') क्या होगा?
If \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3\}\) and \(B=\{3,4,5\}\), what is (\(A\cup B\)')?
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Correct Answer
B. ({6,7,8})
Concept
First \(A\cup B={1,2,3,4,5}\). Its complement is the remaining elements ({6,7,8}) in (U).
Why this answer is correct
The correct answer is B. ({6,7,8}). First \(A\cup B={1,2,3,4,5}\). Its complement is the remaining elements ({6,7,8}) in (U).
Exam Tip
पहले \(A\cup B={1,2,3,4,5}\) है। इसका पूरक (U) में बचे हुए ({6,7,8}) होंगे।
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