यदि \(A'\subseteq B'\), तो कौन सा निष्कर्ष सदैव सही है?
If \(A'\subseteq B'\), which conclusion is always correct?
Explanation opens after your attempt
Correct Answer
A. \(B\subseteq A\)
Concept
Taking complements reverses inclusion, so \(A'\subseteq B'\Rightarrow B\subseteq A\). Always remember this reversed order.
Why this answer is correct
The correct answer is A. \(B\subseteq A\). Taking complements reverses inclusion, so \(A'\subseteq B'\Rightarrow B\subseteq A\). Always remember this reversed order.
Exam Tip
पूरक लेने पर समावेशन उलट जाता है, इसलिए \(A'\subseteq B'\Rightarrow B\subseteq A\)। इस उल्टे क्रम को हमेशा याद रखें।
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