किसी भी समुच्चय (A) के लिए (\mathcal{P}(A)) में कौन से दो तत्व हमेशा होते हैं?
For any set (A), which two elements are always present in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
B. \(\varnothing\) और (A)\(\varnothing\) and (A)
Concept
The empty set and the set itself are subsets of every set. Therefore both are always in its power set.
Why this answer is correct
The correct answer is B. \(\varnothing\) और (A) / \(\varnothing\) and (A). The empty set and the set itself are subsets of every set. Therefore both are always in its power set.
Exam Tip
हर समुच्चय का रिक्त समुच्चय और स्वयं वह समुच्चय उपसमुच्चय होते हैं। इसलिए दोनों हमेशा उसके घात समुच्चय में होते हैं।
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