यदि \(A\cup B=A\), तो सही निष्कर्ष क्या है?

If \(A\cup B=A\), what is the correct conclusion?

Explanation opens after your attempt
Correct Answer

A. \(B\subseteq A\)

Step 1

Concept

If \(A\cup B=A\), (B) adds no new element outside (A). Therefore \(B\subseteq A\).

Step 2

Why this answer is correct

The correct answer is A. \(B\subseteq A\). If \(A\cup B=A\), (B) adds no new element outside (A). Therefore \(B\subseteq A\).

Step 3

Exam Tip

यदि \(A\cup B=A\), तो (B) का कोई नया अवयव (A) के बाहर नहीं है। इसलिए \(B\subseteq A\)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\cup B=A\), तो सही निष्कर्ष क्या है? / If \(A\cup B=A\), what is the correct conclusion?

Correct Answer: A. \(B\subseteq A\). Explanation: यदि \(A\cup B=A\), तो (B) का कोई नया अवयव (A) के बाहर नहीं है। इसलिए \(B\subseteq A\)। / If \(A\cup B=A\), (B) adds no new element outside (A). Therefore \(B\subseteq A\).

Which concept should I revise for this Mathematics MCQ?

If \(A\cup B=A\), (B) adds no new element outside (A). Therefore \(B\subseteq A\).

What exam hint can help solve this Mathematics question?

यदि \(A\cup B=A\), तो (B) का कोई नया अवयव (A) के बाहर नहीं है। इसलिए \(B\subseteq A\)।