रिक्त समुच्चय के घात समुच्चय में कितने तत्व होते हैं?
How many elements are in the power set of the empty set?
Explanation opens after your attempt
B. (1)
Concept
The empty set has only one subset which is \(\emptyset\). Hence (\mathcal{P}\(\emptyset\)) has (1) element.
Why this answer is correct
The correct answer is B. (1). The empty set has only one subset which is \(\emptyset\). Hence (\mathcal{P}\(\emptyset\)) has (1) element.
Exam Tip
रिक्त समुच्चय का केवल एक उपसमुच्चय \(\emptyset\) होता है। इसलिए (\mathcal{P}\(\emptyset\)) में (1) तत्व है।
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