यदि \(A=\{1,3,5,7\}\) है तो (\mathcal{P}(A)) में कुल उपसमुच्चयों की संख्या और एक तत्व वाले उपसमुच्चयों की संख्या क्रमशः क्या है?
If \(A=\{1,3,5,7\}\), what are the total number of subsets and the number of one element subsets in (\mathcal{P}(A)) respectively?
Explanation opens after your attempt
Correct Answer
B. (16) और (4)(16) and (4)
Concept
A set with four elements has \(2^4=16\) total subsets. The number of one element subsets is (4).
Why this answer is correct
The correct answer is B. (16) और (4) / (16) and (4). A set with four elements has \(2^4=16\) total subsets. The number of one element subsets is (4).
Exam Tip
चार तत्वों वाले समुच्चय के कुल \(2^4=16\) उपसमुच्चय होते हैं। एक तत्व वाले उपसमुच्चय (4) होते हैं।
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