यदि \(A=\{2,3,4,5\}\) और \(B=\{4,5,6,7\}\) है, तो \((A-B)\cup(B-A)\) क्या है?
If \(A=\{2,3,4,5\}\) and \(B=\{4,5,6,7\}\), what is \((A-B)\cup(B-A)\)?
Explanation opens after your attempt
Correct Answer
A. ( {2,3,6,7} )
Concept
(A-B={2,3}) and (B-A={6,7}), so the union is ({2,3,6,7}). This is the union of non-common parts.
Why this answer is correct
The correct answer is A. ( {2,3,6,7} ). (A-B={2,3}) and (B-A={6,7}), so the union is ({2,3,6,7}). This is the union of non-common parts.
Exam Tip
(A-B={2,3}) और (B-A={6,7}) है, इसलिए संघ ({2,3,6,7}) है। यह सामान्य भाग हटाकर बचे भागों का संघ है।
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