(\mathcal{P}(\mathcal{P}\(\varnothing\))) में कितने तत्व होंगे?

How many elements will (\mathcal{P}(\mathcal{P}\(\varnothing\))) have?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

(\mathcal{P}\(\varnothing\)={\varnothing}) has (1) element. Therefore its power set has \(2^1=2\) elements.

Step 2

Why this answer is correct

The correct answer is B. (2). (\mathcal{P}\(\varnothing\)={\varnothing}) has (1) element. Therefore its power set has \(2^1=2\) elements.

Step 3

Exam Tip

(\mathcal{P}\(\varnothing\)={\varnothing}) में (1) तत्व है। इसलिए उसके घात समुच्चय में \(2^1=2\) तत्व होंगे।

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Mathematics Answer, Explanation and Revision Hints

(\mathcal{P}(\mathcal{P}\(\varnothing\))) में कितने तत्व होंगे? / How many elements will (\mathcal{P}(\mathcal{P}\(\varnothing\))) have?

Correct Answer: B. (2). Explanation: (\mathcal{P}\(\varnothing\)={\varnothing}) में (1) तत्व है। इसलिए उसके घात समुच्चय में \(2^1=2\) तत्व होंगे। / (\mathcal{P}\(\varnothing\)={\varnothing}) has (1) element. Therefore its power set has \(2^1=2\) elements.

Which concept should I revise for this Mathematics MCQ?

(\mathcal{P}\(\varnothing\)={\varnothing}) has (1) element. Therefore its power set has \(2^1=2\) elements.

What exam hint can help solve this Mathematics question?

(\mathcal{P}\(\varnothing\)={\varnothing}) में (1) तत्व है। इसलिए उसके घात समुच्चय में \(2^1=2\) तत्व होंगे।