कौन सा संबंध \(A=\{1,2,3\}\) से \(B=\{4,5\}\) में फलन है?
Which relation from \(A=\{1,2,3\}\) to \(B=\{4,5\}\) is a function?
Explanation opens after your attempt
A. ({(1,4),(2,5),(3,4)})
Concept
All three domain elements (1,2,3) appear exactly once. This is the main test for a function.
Why this answer is correct
The correct answer is A. ({(1,4),(2,5),(3,4)}). All three domain elements (1,2,3) appear exactly once. This is the main test for a function.
Exam Tip
तीनों प्रांत तत्व (1,2,3) ठीक एक-एक बार आए हैं। यही फलन की मुख्य जांच है।
Login to save your score, XP, coins and progress.
