यदि \(A=\{1,2,3,4\}\), \(B=\{0,1\}\) और \(R=\{(1,0),(2,1),(4,0)\}\) हो, तो (R) को फलन बनाने के लिए कौन-सा युग्म जोड़ा जा सकता है?
If \(A=\{1,2,3,4\}\), \(B=\{0,1\}\), and \(R=\{(1,0),(2,1),(4,0)\}\), which pair can be added to make (R) a function?
Explanation opens after your attempt
Correct Answer
A. ((3,1))
Concept
Only the image of (3) is missing, so adding ((3,1)) is correct. In exams, first identify the missing domain element.
Why this answer is correct
The correct answer is A. ((3,1)). Only the image of (3) is missing, so adding ((3,1)) is correct. In exams, first identify the missing domain element.
Exam Tip
केवल (3) की छवि गायब है इसलिए ((3,1)) जोड़ना सही है। परीक्षा में छूटे प्रांत तत्व को पहले पहचानें।
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