यदि (A) में (0) तत्व हैं तो (\mathcal{P}(A)) में कितने तत्व होंगे?
If (A) has (0) elements then how many elements will (\mathcal{P}(A)) have?
Explanation opens after your attempt
B. (1)
Concept
For a set with (0) elements, \(2^0=1\). So the power set of the empty set has one element.
Why this answer is correct
The correct answer is B. (1). For a set with (0) elements, \(2^0=1\). So the power set of the empty set has one element.
Exam Tip
(0) तत्वों वाले समुच्चय के लिए \(2^0=1\) होता है। इसलिए रिक्त समुच्चय का घात समुच्चय एक तत्व वाला है।
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