यदि \(U={x:x\in \mathbb{N}, x\le 15}\) और \(A={x:x\in U, x\) अभाज्य नहीं है(}), तो (A') क्या होगा?
If \(U={x:x\in \mathbb{N}, x\le 15}\) and \(A={x:x\in U, x\) is not prime(}), what will (A') be?
Explanation opens after your attempt
Correct Answer
A. ({2,3,5,7,11,13})
Concept
(A) contains the numbers that are not prime, so (A') contains the prime numbers of (U). Remember that (1) is not prime.
Why this answer is correct
The correct answer is A. ({2,3,5,7,11,13}). (A) contains the numbers that are not prime, so (A') contains the prime numbers of (U). Remember that (1) is not prime.
Exam Tip
(A) में अभाज्य नहीं होने वाली संख्याएँ हैं, इसलिए (A') में (U) की अभाज्य संख्याएँ आएँगी। ध्यान रखें कि (1) अभाज्य नहीं होता।
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