यदि (U) सार्वत्रिक समुच्चय है और \(A\subseteq U\), तो \(P(A)\subseteq P(U)\) क्यों सत्य है?
If (U) is the universal set and \(A\subseteq U\), why is \(P(A)\subseteq P(U)\) true?
Explanation opens after your attempt
A. क्योंकि (A) का हर उपसमुच्चय (U) का भी उपसमुच्चय हैBecause every subset of (A) is also a subset of (U)
Concept
The universal set contains all elements of (A), so subsets of (A) are also subsets of (U). This is a basic property of power sets.
Why this answer is correct
The correct answer is A. क्योंकि (A) का हर उपसमुच्चय (U) का भी उपसमुच्चय है / Because every subset of (A) is also a subset of (U). The universal set contains all elements of (A), so subsets of (A) are also subsets of (U). This is a basic property of power sets.
Exam Tip
सार्वत्रिक समुच्चय में (A) के सभी अवयव हैं, इसलिए (A) के उपसमुच्चय भी (U) के उपसमुच्चय हैं। यह पावर सेट का आधारभूत गुण है।
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