यदि \(A=\{2,4,6,8\}\) है तो (\mathcal{P}(A)) में शून्य तत्व वाला उपसमुच्चय कितने हैं?
If \(A=\{2,4,6,8\}\), how many zero element subsets are in (\mathcal{P}(A))?
Explanation opens after your attempt
B. (1)
Concept
The only zero element subset is \(\emptyset\). So any set has exactly one such subset.
Why this answer is correct
The correct answer is B. (1). The only zero element subset is \(\emptyset\). So any set has exactly one such subset.
Exam Tip
शून्य तत्व वाला केवल \(\emptyset\) होता है। इसलिए किसी भी समुच्चय में ऐसा उपसमुच्चय एक ही होता है।
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