यदि \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3\}\) और \(B=\{3,4,5\}\) है, तो (|\mathcal{P}(\(A\cup B\)')|) कितना है?

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

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

\(A\cup B={1,2,3,4,5}\), so the complement has (3) elements. Hence (|\mathcal{P}(\(A\cup B\)')|=23=8).

Step 2

Why this answer is correct

The correct answer is C. (8). \(A\cup B={1,2,3,4,5}\), so the complement has (3) elements. Hence (|\mathcal{P}(\(A\cup B\)')|=23=8).

Step 3

Exam Tip

\(A\cup B={1,2,3,4,5}\), इसलिए complement में (3) तत्व हैं। अतः (|\mathcal{P}(\(A\cup B\)')|=23=8)।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: C. (8). Explanation: \(A\cup B={1,2,3,4,5}\), इसलिए complement में (3) तत्व हैं। अतः (|\mathcal{P}(\(A\cup B\)')|=23=8)। / \(A\cup B={1,2,3,4,5}\), so the complement has (3) elements. Hence (|\mathcal{P}(\(A\cup B\)')|=23=8).

Which concept should I revise for this Mathematics MCQ?

\(A\cup B={1,2,3,4,5}\), so the complement has (3) elements. Hence (|\mathcal{P}(\(A\cup B\)')|=23=8).

What exam hint can help solve this Mathematics question?

\(A\cup B={1,2,3,4,5}\), इसलिए complement में (3) तत्व हैं। अतः (|\mathcal{P}(\(A\cup B\)')|=23=8)।