यदि \(U={1,2,\ldots,20}\), (A'={2,3,5,7,11,13,17,19}), तो (A) क्या है?
If \(U={1,2,\ldots,20}\) and (A'={2,3,5,7,11,13,17,19}), what is (A)?
Explanation opens after your attempt
A. ({1,4,6,8,9,10,12,14,15,16,18,20})
Concept
(A=U-A'). Removing the given prime elements from (U) gives the answer.
Why this answer is correct
The correct answer is A. ({1,4,6,8,9,10,12,14,15,16,18,20}). (A=U-A'). Removing the given prime elements from (U) gives the answer.
Exam Tip
(A=U-A') होता है। दिए गए अभाज्य सदस्यों को (U) से हटाने पर उत्तर मिलता है।
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