यदि \(A\times B={(1,3),(1,4),(2,3),(2,4)}\) है, तो (A) और (B) क्या हैं?
If \(A\times B={(1,3),(1,4),(2,3),(2,4)}\), what are (A) and (B)?
Explanation opens after your attempt
Correct Answer
A. \(A=\{1,2},,B={3,4\}\)
Concept
The first coordinates are (1,2), and the second coordinates are (3,4). Hence \(A=\{1,2\}\) and \(B=\{3,4\}\).
Why this answer is correct
The correct answer is A. \(A=\{1,2},,B={3,4\}\). The first coordinates are (1,2), and the second coordinates are (3,4). Hence \(A=\{1,2\}\) and \(B=\{3,4\}\).
Exam Tip
पहले निर्देशांक (1,2) हैं और दूसरे निर्देशांक (3,4) हैं। इसलिए \(A=\{1,2\}\) और \(B=\{3,4\}\)।
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