यदि \(A=\{1,8,27,64\}\) और \(B=\{8,64,125\}\) है, तो (A-B) क्या है?
If \(A=\{1,8,27,64\}\) and \(B=\{8,64,125\}\), what is (A-B)?
Explanation opens after your attempt
A. ( {1,27} )
Concept
The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).
Why this answer is correct
The correct answer is A. ( {1,27} ). The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).
Exam Tip
(A) से (8) और (64) हटेंगे क्योंकि वे (B) में भी हैं। इसलिए (A-B={1,27}) है।
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