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

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

Explanation opens after your attempt
Correct Answer

A. ({9})

Step 1

Concept

\(A\cup B\cup C={1,2,3,4,5,6,7,8}\), so the complement is ({9}). Even with three sets, find the full union first.

Step 2

Why this answer is correct

The correct answer is A. ({9}). \(A\cup B\cup C={1,2,3,4,5,6,7,8}\), so the complement is ({9}). Even with three sets, find the full union first.

Step 3

Exam Tip

\(A\cup B\cup C={1,2,3,4,5,6,7,8}\) है, इसलिए पूरक ({9}) है। तीन समुच्चयों में भी पहले पूरा संघ निकालें।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. ({9}). Explanation: \(A\cup B\cup C={1,2,3,4,5,6,7,8}\) है, इसलिए पूरक ({9}) है। तीन समुच्चयों में भी पहले पूरा संघ निकालें। / \(A\cup B\cup C={1,2,3,4,5,6,7,8}\), so the complement is ({9}). Even with three sets, find the full union first.

Which concept should I revise for this Mathematics MCQ?

\(A\cup B\cup C={1,2,3,4,5,6,7,8}\), so the complement is ({9}). Even with three sets, find the full union first.

What exam hint can help solve this Mathematics question?

\(A\cup B\cup C={1,2,3,4,5,6,7,8}\) है, इसलिए पूरक ({9}) है। तीन समुच्चयों में भी पहले पूरा संघ निकालें।