यदि \(A\subseteq B\), तो (A-B) किसके बराबर है?
If \(A\subseteq B\), what is (A-B) equal to?
Explanation opens after your attempt
A. \(\emptyset\)
Concept
No element of (A) lies outside (B). Therefore (A-B) is the empty set.
Why this answer is correct
The correct answer is A. \(\emptyset\). No element of (A) lies outside (B). Therefore (A-B) is the empty set.
Exam Tip
(A) का कोई भी सदस्य (B) से बाहर नहीं है। इसलिए (A-B) रिक्त समुच्चय है।
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