यदि \(A=\{p,q,r,s\}\) है तो (\mathcal{P}(A)) में कितने एक तत्व वाले उपसमुच्चय होंगे?
If \(A=\{p,q,r,s\}\), how many one element subsets are in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. (4)
Concept
The four elements form four singleton subsets. So the number is (4).
Why this answer is correct
The correct answer is C. (4). The four elements form four singleton subsets. So the number is (4).
Exam Tip
चारों तत्वों से चार एकल उपसमुच्चय बनते हैं। इसलिए संख्या (4) है।
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