यदि \(A\subseteq B\subseteq U\) है, तो \(B'\subseteq A'\) के बारे में क्या कहा जा सकता है?
If \(A\subseteq B\subseteq U\), what can be said about \(B'\subseteq A'\)?
Explanation opens after your attempt
Correct Answer
A. यह हमेशा सत्य हैIt is always true
Concept
The complement of the larger set is contained in the complement of the smaller set. Inclusion reverses after taking complement.
Why this answer is correct
The correct answer is A. यह हमेशा सत्य है / It is always true. The complement of the larger set is contained in the complement of the smaller set. Inclusion reverses after taking complement.
Exam Tip
बड़े समुच्चय का पूरक छोटे समुच्चय के पूरक में समाहित होता है। समावेशन पूरक लेने पर उलट जाता है।
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