यदि \(U=\{2,4,6\}\) और \(A=\emptyset\) है तो (\mathcal{P}(A')) में कितने तत्व होंगे?
If \(U=\{2,4,6\}\) and \(A=\emptyset\), how many elements will be in (\mathcal{P}(A'))?
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Correct Answer
C. (8)
Concept
When \(A=\emptyset\), (A'=U). Here (U) has (3) elements so the power set has \(2^3=8\) elements.
Why this answer is correct
The correct answer is C. (8). When \(A=\emptyset\), (A'=U). Here (U) has (3) elements so the power set has \(2^3=8\) elements.
Exam Tip
जब \(A=\emptyset\) हो तो (A'=U) होता है। यहां (U) में (3) तत्व हैं इसलिए \(2^3=8\) तत्व मिलेंगे।
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