यदि \(U={1,2,\ldots,18}\), \(A=\{2,3,5,7,11,13,17\}\) और \(B=\{1,4,9,16\}\), तो (\(A \cup B\)') क्या है?

If \(U={1,2,\ldots,18}\), \(A=\{2,3,5,7,11,13,17\}\), and \(B=\{1,4,9,16\}\), what is (\(A \cup B\)')?

Explanation opens after your attempt
Correct Answer

A. ({6,8,10,12,14,15,18})

Step 1

Concept

First form \(A \cup B\), then remove it from (U). The remaining elements are ({6,8,10,12,14,15,18}).

Step 2

Why this answer is correct

The correct answer is A. ({6,8,10,12,14,15,18}). First form \(A \cup B\), then remove it from (U). The remaining elements are ({6,8,10,12,14,15,18}).

Step 3

Exam Tip

पहले \(A \cup B\) बनाएं और फिर उसे (U) से हटाएं। शेष ({6,8,10,12,14,15,18}) हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U={1,2,\ldots,18}\), \(A=\{2,3,5,7,11,13,17\}\) और \(B=\{1,4,9,16\}\), तो (\(A \cup B\)') क्या है? / If \(U={1,2,\ldots,18}\), \(A=\{2,3,5,7,11,13,17\}\), and \(B=\{1,4,9,16\}\), what is (\(A \cup B\)')?

Correct Answer: A. ({6,8,10,12,14,15,18}). Explanation: पहले \(A \cup B\) बनाएं और फिर उसे (U) से हटाएं। शेष ({6,8,10,12,14,15,18}) हैं। / First form \(A \cup B\), then remove it from (U). The remaining elements are ({6,8,10,12,14,15,18}).

Which concept should I revise for this Mathematics MCQ?

First form \(A \cup B\), then remove it from (U). The remaining elements are ({6,8,10,12,14,15,18}).

What exam hint can help solve this Mathematics question?

पहले \(A \cup B\) बनाएं और फिर उसे (U) से हटाएं। शेष ({6,8,10,12,14,15,18}) हैं।