यदि \(U=\{p,q,r\}\) और \(A=\varnothing\) है, तो (A') क्या है?

If \(U=\{p,q,r\}\) and \(A=\varnothing\), what is (A')?

Explanation opens after your attempt
Correct Answer

A. (A'=U)

Step 1

Concept

The empty set has no elements, so its complement is the whole (U). Remember \(\varnothing'=U\).

Step 2

Why this answer is correct

The correct answer is A. (A'=U). The empty set has no elements, so its complement is the whole (U). Remember \(\varnothing'=U\).

Step 3

Exam Tip

खाली समुच्चय में कोई अवयव नहीं होता, इसलिए उसका पूरक पूरा (U) होता है। याद रखें \(\varnothing'=U\)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{p,q,r\}\) और \(A=\varnothing\) है, तो (A') क्या है? / If \(U=\{p,q,r\}\) and \(A=\varnothing\), what is (A')?

Correct Answer: A. (A'=U). Explanation: खाली समुच्चय में कोई अवयव नहीं होता, इसलिए उसका पूरक पूरा (U) होता है। याद रखें \(\varnothing'=U\)। / The empty set has no elements, so its complement is the whole (U). Remember \(\varnothing'=U\).

Which concept should I revise for this Mathematics MCQ?

The empty set has no elements, so its complement is the whole (U). Remember \(\varnothing'=U\).

What exam hint can help solve this Mathematics question?

खाली समुच्चय में कोई अवयव नहीं होता, इसलिए उसका पूरक पूरा (U) होता है। याद रखें \(\varnothing'=U\)।