यदि \(A\setminus B={2,5}\), \(B\setminus A={7}\) और \(A\cap B={1,3}\) है, तो \(A\cup B\) क्या है?
If \(A\setminus B={2,5}\), \(B\setminus A={7}\), and \(A\cap B={1,3}\), then what is \(A\cup B\)?
Explanation opens after your attempt
Correct Answer
A. ({1,2,3,5,7})
Concept
The union is formed from the three disjoint parts \(A\setminus B\), \(B\setminus A\), and \(A\cap B\). Hence the answer is ({1,2,3,5,7}).
Why this answer is correct
The correct answer is A. ({1,2,3,5,7}). The union is formed from the three disjoint parts \(A\setminus B\), \(B\setminus A\), and \(A\cap B\). Hence the answer is ({1,2,3,5,7}).
Exam Tip
संघ तीन असंबद्ध भागों \(A\setminus B\), \(B\setminus A\) और \(A\cap B\) से बनता है। इसलिए उत्तर ({1,2,3,5,7}) है।
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