यदि \(f=\{(1,2),(2,3),(3,4)\}\) है तो (f(1)) क्या है?
If \(f=\{(1,2),(2,3),(3,4)\}\), what is (f(1))?
Explanation opens after your attempt
A. (2)
Concept
From the pair ((1,2)), the image of (1) is (2). In (f(x)), the first component is the input.
Why this answer is correct
The correct answer is A. (2). From the pair ((1,2)), the image of (1) is (2). In (f(x)), the first component is the input.
Exam Tip
युग्म ((1,2)) से (1) का प्रतिबिंब (2) है। (f(x)) में प्रथम अवयव इनपुट होता है।
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