यदि \(A=\{d,e,f\}\) है तो \(\emptyset\) (\mathcal{P}(A)) में क्यों होता है?
If \(A=\{d,e,f\}\), why is \(\emptyset\) in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. क्योंकि \(\emptyset\subseteq A\)because \(\emptyset\subseteq A\)
Concept
\(\emptyset\) is a subset of every set. Therefore it is an element of every power set.
Why this answer is correct
The correct answer is A. क्योंकि \(\emptyset\subseteq A\) / because \(\emptyset\subseteq A\). \(\emptyset\) is a subset of every set. Therefore it is an element of every power set.
Exam Tip
\(\emptyset\) हर समुच्चय का उपसमुच्चय होता है। इसलिए यह हर घात समुच्चय का तत्व होता है।
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