यदि \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\) और \(B=\{2,4,8\}\) हैं, तो (\(A\cup B\)') क्या है?

If \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\), and \(B=\{2,4,8\}\), what is (\(A\cup B\)')?

Explanation opens after your attempt
Correct Answer

A. ({3,5,6,9})

Step 1

Concept

\(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).

Step 2

Why this answer is correct

The correct answer is A. ({3,5,6,9}). \(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).

Step 3

Exam Tip

\(A\cup B={1,2,4,7,8}\) है। (U) से इन्हें हटाने पर ({3,5,6,9}) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\) और \(B=\{2,4,8\}\) हैं, तो (\(A\cup B\)') क्या है? / If \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\), and \(B=\{2,4,8\}\), what is (\(A\cup B\)')?

Correct Answer: A. ({3,5,6,9}). Explanation: \(A\cup B={1,2,4,7,8}\) है। (U) से इन्हें हटाने पर ({3,5,6,9}) मिलता है। / \(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).

Which concept should I revise for this Mathematics MCQ?

\(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).

What exam hint can help solve this Mathematics question?

\(A\cup B={1,2,4,7,8}\) है। (U) से इन्हें हटाने पर ({3,5,6,9}) मिलता है।