यदि \(A=\{1,2,3\}\) है तो (\mathcal{P}(A)) में कितने तत्व होंगे?
If \(A=\{1,2,3\}\) then how many elements are in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. (8)
Concept
A set with three elements has \(2^3=8\) subsets. For exams remember \(2^n\) for number of elements in a power set.
Why this answer is correct
The correct answer is C. (8). A set with three elements has \(2^3=8\) subsets. For exams remember \(2^n\) for number of elements in a power set.
Exam Tip
तीन तत्वों वाले समुच्चय के उपसमुच्चय \(2^3=8\) होते हैं। परीक्षा में घात समुच्चय की संख्या के लिए \(2^n\) याद रखें।
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