यदि \(A=\{1,2,3,4\}\), \(B=\{2,4,6,8\}\) और \(f=\{(1,2),(2,4),(3,6),(4,8)\}\) हो, तो (f) का प्रांत क्या है?
If \(A=\{1,2,3,4\}\), \(B=\{2,4,6,8\}\), and \(f=\{(1,2),(2,4),(3,6),(4,8)\}\), what is the domain of (f)?
Explanation opens after your attempt
Correct Answer
A. ({1,2,3,4})
Concept
The domain is the set of first components, so it is ({1,2,3,4}). In exams, look at the first components of ordered pairs.
Why this answer is correct
The correct answer is A. ({1,2,3,4}). The domain is the set of first components, so it is ({1,2,3,4}). In exams, look at the first components of ordered pairs.
Exam Tip
प्रांत पहले घटकों का समुच्चय है, इसलिए ({1,2,3,4}) है। परीक्षा में क्रमित युग्मों के पहले घटक देखें।
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