यदि \(A=\{o,u,i\}\) है तो (\mathcal{P}(A)) में कितने तीन तत्व वाले उपसमुच्चय होंगे?
If \(A=\{o,u,i\}\), how many three element subsets are in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
A. (1)
Concept
The only three element subset of a three element set is the whole set. So the number is (1).
Why this answer is correct
The correct answer is A. (1). The only three element subset of a three element set is the whole set. So the number is (1).
Exam Tip
तीन तत्वों वाले समुच्चय का तीन तत्व वाला उपसमुच्चय केवल पूरा समुच्चय होता है। इसलिए संख्या (1) है।
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