यदि (A\cup\(B\cap C\)=A) है, तो कौन सा समावेशन अवश्य सत्य है?
If (A\cup\(B\cap C\)=A), which inclusion must be true?
Explanation opens after your attempt
A. \(B\cap C\subseteq A\)
Concept
If adding a set to (A) by union still gives (A), that set is a subset of (A). Here that set is \(B\cap C\).
Why this answer is correct
The correct answer is A. \(B\cap C\subseteq A\). If adding a set to (A) by union still gives (A), that set is a subset of (A). Here that set is \(B\cap C\).
Exam Tip
किसी सेट को (A) से जोड़ने पर परिणाम (A) ही रहे, तो वह सेट (A) का उपसमुच्चय होता है। यहाँ वह \(B\cap C\) है।
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