यदि \(A'\cap B'=A'\), तो कौन सा निष्कर्ष सदैव सत्य है?
If \(A'\cap B'=A'\), which conclusion is always true?
Explanation opens after your attempt
Correct Answer
A. \(A'\subseteq B'\)
Concept
If \(A'\cap B'=A'\), every element of (A') lies in (B'). Hence \(A'\subseteq B'\).
Why this answer is correct
The correct answer is A. \(A'\subseteq B'\). If \(A'\cap B'=A'\), every element of (A') lies in (B'). Hence \(A'\subseteq B'\).
Exam Tip
यदि \(A'\cap B'=A'\), तो (A') का हर अवयव (B') में है। इसलिए \(A'\subseteq B'\) है।
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