यदि \(A=\{10,20,30,40\}\) है तो (\mathcal{P}(A)) में पूरा (A) किस रूप में आता है?
If \(A=\{10,20,30,40\}\), in what form does the whole (A) appear in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. तत्व के रूप मेंas an element
Concept
Every set is a subset of itself so \(A\in\mathcal{P}(A)\). Understand it from \(A\subseteq A\).
Why this answer is correct
The correct answer is A. तत्व के रूप में / as an element. Every set is a subset of itself so \(A\in\mathcal{P}(A)\). Understand it from \(A\subseteq A\).
Exam Tip
हर समुच्चय स्वयं का उपसमुच्चय है इसलिए \(A\in\mathcal{P}(A)\) होता है। इसे \(A\subseteq A\) से समझें।
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