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

If \(A\cup B=A\cap B\), what conclusion follows?

Explanation opens after your attempt
Correct Answer

A. (A=B)

Step 1

Concept

Always \(A\cap B\subseteq A\cup B\). They can be equal only when (A) and (B) are the same set.

Step 2

Why this answer is correct

The correct answer is A. (A=B). Always \(A\cap B\subseteq A\cup B\). They can be equal only when (A) and (B) are the same set.

Step 3

Exam Tip

सदैव \(A\cap B\subseteq A\cup B\) होता है। दोनों बराबर तभी हो सकते हैं जब (A) और (B) समान हों।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A\cup B=A\cap B\) है, तो क्या निष्कर्ष निकलेगा? / If \(A\cup B=A\cap B\), what conclusion follows?

Correct Answer: A. (A=B). Explanation: सदैव \(A\cap B\subseteq A\cup B\) होता है। दोनों बराबर तभी हो सकते हैं जब (A) और (B) समान हों। / Always \(A\cap B\subseteq A\cup B\). They can be equal only when (A) and (B) are the same set.

Which concept should I revise for this Mathematics MCQ?

Always \(A\cap B\subseteq A\cup B\). They can be equal only when (A) and (B) are the same set.

What exam hint can help solve this Mathematics question?

सदैव \(A\cap B\subseteq A\cup B\) होता है। दोनों बराबर तभी हो सकते हैं जब (A) और (B) समान हों।