यदि \(A=\{a,b,c,d\}\) है तो (\mathcal{P}(A)) में चार तत्वों वाला उपसमुच्चय कौन सा है?
If \(A=\{a,b,c,d\}\), which is the four-element subset in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
D. {(a,b,c,d)}
Concept
The only four-element subset is (A) itself. A set is an element of its own power set.
Why this answer is correct
The correct answer is D. {(a,b,c,d)}. The only four-element subset is (A) itself. A set is an element of its own power set.
Exam Tip
चार तत्वों वाला एकमात्र उपसमुच्चय (A) स्वयं है। पूरा समुच्चय अपने घात समुच्चय का तत्व होता है।
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