यदि \(A=\{a,b\}\) है तो (P(A)) के बराबर कौन सा समुच्चय है?

If \(A=\{a,b\}\), which set is equal to (P(A))?

Explanation opens after your attempt
Correct Answer

A. \({\varnothing,{a},{b},{a,b}}\)

Step 1

Concept

A power set lists all subsets as elements. It contains ({a}), not (a) as the singleton subset.

Step 2

Why this answer is correct

The correct answer is A. \({\varnothing,{a},{b},{a,b}}\). A power set lists all subsets as elements. It contains ({a}), not (a) as the singleton subset.

Step 3

Exam Tip

पावर समुच्चय में सभी उपसमुच्चय अवयव के रूप में लिखे जाते हैं। (a) नहीं बल्कि ({a}) उसका अवयव होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{a,b\}\) है तो (P(A)) के बराबर कौन सा समुच्चय है? / If \(A=\{a,b\}\), which set is equal to (P(A))?

Correct Answer: A. \({\varnothing,{a},{b},{a,b}}\). Explanation: पावर समुच्चय में सभी उपसमुच्चय अवयव के रूप में लिखे जाते हैं। (a) नहीं बल्कि ({a}) उसका अवयव होगा। / A power set lists all subsets as elements. It contains ({a}), not (a) as the singleton subset.

Which concept should I revise for this Mathematics MCQ?

A power set lists all subsets as elements. It contains ({a}), not (a) as the singleton subset.

What exam hint can help solve this Mathematics question?

पावर समुच्चय में सभी उपसमुच्चय अवयव के रूप में लिखे जाते हैं। (a) नहीं बल्कि ({a}) उसका अवयव होगा।