Class 11 Mathematics Sets Power Set and Universal Set Medium Level 11

यदि \(A={x:x\in \mathbb{Z}, -2\leq x\leq 2}\) है, तो (\mathcal{P}(A)) में कितने तत्व होंगे?

If \(A={x:x\in \mathbb{Z}, -2\leq x\leq 2}\), how many elements will (\mathcal{P}(A)) have?

Explanation opens after your attempt
Correct Answer

C. (32)

Step 1

Concept

\(A=\{-2,-1,0,1,2\}\), so (n(A)=5). Therefore (n(\mathcal{P}(A))=25=32).

Step 2

Why this answer is correct

The correct answer is C. (32). \(A=\{-2,-1,0,1,2\}\), so (n(A)=5). Therefore (n(\mathcal{P}(A))=25=32).

Step 3

Exam Tip

\(A=\{-2,-1,0,1,2\}\), इसलिए (n(A)=5)। अतः (n(\mathcal{P}(A))=25=32)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\in \mathbb{Z}, -2\leq x\leq 2}\) है, तो (\mathcal{P}(A)) में कितने तत्व होंगे? / If \(A={x:x\in \mathbb{Z}, -2\leq x\leq 2}\), how many elements will (\mathcal{P}(A)) have?

Correct Answer: C. (32). Explanation: \(A=\{-2,-1,0,1,2\}\), इसलिए (n(A)=5)। अतः (n(\mathcal{P}(A))=25=32)। / \(A=\{-2,-1,0,1,2\}\), so (n(A)=5). Therefore (n(\mathcal{P}(A))=25=32).

Which concept should I revise for this Mathematics MCQ?

\(A=\{-2,-1,0,1,2\}\), so (n(A)=5). Therefore (n(\mathcal{P}(A))=25=32).

What exam hint can help solve this Mathematics question?

\(A=\{-2,-1,0,1,2\}\), इसलिए (n(A)=5)। अतः (n(\mathcal{P}(A))=25=32)।