यदि (A\cap\(B\cup C\)=A), तो कौन सा निष्कर्ष अवश्य सत्य है?
If (A\cap\(B\cup C\)=A), which conclusion must be true?
Explanation opens after your attempt
A. \(A\subseteq B\cup C\)
Concept
If the intersection of (A) with a set is (A) itself, then (A) is a subset of that set. Here the set is \(B\cup C\).
Why this answer is correct
The correct answer is A. \(A\subseteq B\cup C\). If the intersection of (A) with a set is (A) itself, then (A) is a subset of that set. Here the set is \(B\cup C\).
Exam Tip
किसी सेट (A) का किसी सेट से प्रतिच्छेद फिर (A) ही हो, तो (A) उस सेट का उपसमुच्चय होता है। यहाँ वह सेट \(B\cup C\) है।
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