यदि \(A=\{1,2\}\) है तो कौन सा कथन सही है?
If \(A=\{1,2\}\), which statement is correct?
Explanation opens after your attempt
Correct Answer
A. \({1}\subseteq A\) और \({1}\in\mathcal{P}(A)\)\({1}\subseteq A\) and \({1}\in\mathcal{P}(A)\)
Concept
({1}) is a subset of (A), so it is an element of the power set. Do not treat direct (1) as an element of (\mathcal{P}(A)).
Why this answer is correct
The correct answer is A. \({1}\subseteq A\) और \({1}\in\mathcal{P}(A)\) / \({1}\subseteq A\) and \({1}\in\mathcal{P}(A)\). ({1}) is a subset of (A), so it is an element of the power set. Do not treat direct (1) as an element of (\mathcal{P}(A)).
Exam Tip
({1}) (A) का उपसमुच्चय है इसलिए वह घात समुच्चय का तत्व है। सीधे (1) को (\mathcal{P}(A)) का तत्व न मानें।
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