यदि \(A\subseteq U\), तो \(A\cup A'\) और \(A\cap A'\) क्रमशः क्या हैं?

If \(A\subseteq U\), what are \(A\cup A'\) and \(A\cap A'\) respectively?

Explanation opens after your attempt
Correct Answer

A. \(U,\varnothing\)

Step 1

Concept

(A) and (A') together make the whole (U), and their common part is empty. This is the paired identity of complement.

Step 2

Why this answer is correct

The correct answer is A. \(U,\varnothing\). (A) and (A') together make the whole (U), and their common part is empty. This is the paired identity of complement.

Step 3

Exam Tip

(A) और (A') मिलकर पूरा (U) बनाते हैं तथा उनका साझा भाग रिक्त होता है। यह पूरक की जोड़ी पहचान है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\subseteq U\), तो \(A\cup A'\) और \(A\cap A'\) क्रमशः क्या हैं? / If \(A\subseteq U\), what are \(A\cup A'\) and \(A\cap A'\) respectively?

Correct Answer: A. \(U,\varnothing\). Explanation: (A) और (A') मिलकर पूरा (U) बनाते हैं तथा उनका साझा भाग रिक्त होता है। यह पूरक की जोड़ी पहचान है। / (A) and (A') together make the whole (U), and their common part is empty. This is the paired identity of complement.

Which concept should I revise for this Mathematics MCQ?

(A) and (A') together make the whole (U), and their common part is empty. This is the paired identity of complement.

What exam hint can help solve this Mathematics question?

(A) और (A') मिलकर पूरा (U) बनाते हैं तथा उनका साझा भाग रिक्त होता है। यह पूरक की जोड़ी पहचान है।