यदि \(A=\{red,blue,green\}\) और \(B=\{blue,yellow\}\) हैं, तो (A-B) क्या है?
If \(A=\{red,blue,green\}\) and \(B=\{blue,yellow\}\), what is (A-B)?
Explanation opens after your attempt
A. ( {red,green} )
Concept
The common element (blue) is removed from (A). Therefore (A-B={red,green}).
Why this answer is correct
The correct answer is A. ( {red,green} ). The common element (blue) is removed from (A). Therefore (A-B={red,green}).
Exam Tip
(A) से (B) का सामान्य अवयव (blue) हटेगा। इसलिए (A-B={red,green}) है।
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