\(यदि (U={1,2,\ldots,12}), (A={x:x \in U,x\) सम है\(}) और (B={x:x \in U,x>8}), तो ((A'\cup B')') क्या है\)?
\(If (U={1,2,\ldots,12}), (A={x:x \in U,x\) is even\(}), and (B={x:x \in U,x>8}), what is ((A'\cup B')')\)?
Explanation opens after your attempt
Correct Answer
A. ({10,12})
Concept
By De Morgan, (\(A'\cup B'\)'=A\cap B). The even elements greater than (8) are (10) and (12).
Why this answer is correct
The correct answer is A. ({10,12}). By De Morgan, (\(A'\cup B'\)'=A\cap B). The even elements greater than (8) are (10) and (12).
Exam Tip
डी मॉर्गन से (\(A'\cup B'\)'=A\cap B) है। सम और (8) से बड़े सदस्य (10) और (12) हैं।
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