यदि \(A=\{1,2,3\}\) है तो (\mathcal{P}(A)) में कितने दो तत्व वाले उपसमुच्चय होंगे?
If \(A=\{1,2,3\}\) then how many two element subsets are in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. (3)
Concept
The two element subsets are ({1,2},{1,3},{2,3}). So the number is (3).
Why this answer is correct
The correct answer is C. (3). The two element subsets are ({1,2},{1,3},{2,3}). So the number is (3).
Exam Tip
दो तत्व वाले उपसमुच्चय ({1,2},{1,3},{2,3}) हैं। इसलिए संख्या (3) है।
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