संबंध \(R=\{(x,y):2x+y=12,\ x\in{1,2,3,4},\ y\in{4,6,8,10}\}\) के बारे में सही कथन कौन सा है?
Which statement is correct about \(R=\{(x,y):2x+y=12,\ x\in{1,2,3,4},\ y\in{4,6,8,10}\}\)?
Explanation opens after your attempt
A. यह फलन है और परिसर ({4,6,8,10}) हैIt is a function and range is ({4,6,8,10})
Concept
For every (x), (y=12-2x) is unique and lies in the given codomain. Listing all images is a safe method for finite sets.
Why this answer is correct
The correct answer is A. यह फलन है और परिसर ({4,6,8,10}) है / It is a function and range is ({4,6,8,10}). For every (x), (y=12-2x) is unique and lies in the given codomain. Listing all images is a safe method for finite sets.
Exam Tip
हर (x) के लिए (y=12-2x) अद्वितीय है और दिए गए सहप्रांत में आता है। सीमित समुच्चय में सभी छवियां लिखना सुरक्षित तरीका है।
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