यदि \(A=\{1,2\}\) है तो (\mathcal{P}(A)) के तत्वों में से कौन सा सही है?
If \(A=\{1,2\}\), which is a correct element of (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
B. {(1)}
Concept
({1}) is a subset of (A), so it is an element of (\mathcal{P}(A)). Keep a single element and a singleton set distinct.
Why this answer is correct
The correct answer is B. {(1)}. ({1}) is a subset of (A), so it is an element of (\mathcal{P}(A)). Keep a single element and a singleton set distinct.
Exam Tip
({1}) समुच्चय (A) का उपसमुच्चय है इसलिए यह (\mathcal{P}(A)) का तत्व है। एकल तत्व और एकल समुच्चय में अंतर रखें।
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