यदि \(A=\{100,200,300\}\) है तो (A) स्वयं (\mathcal{P}(A)) में क्यों होता है?
If \(A=\{100,200,300\}\), why is (A) itself in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. क्योंकि \(A\subseteq A\)because \(A\subseteq A\)
Concept
Every set is a subset of itself. Hence \(A\in\mathcal{P}(A)\) is correct.
Why this answer is correct
The correct answer is A. क्योंकि \(A\subseteq A\) / because \(A\subseteq A\). Every set is a subset of itself. Hence \(A\in\mathcal{P}(A)\) is correct.
Exam Tip
हर समुच्चय स्वयं का उपसमुच्चय होता है। इसलिए \(A\in\mathcal{P}(A)\) सही है।
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