यदि \(f:A\to B\) और \(f=\{(a,1),(b,2),(c,1),(d,3)\}\), तो (A) क्या है?
If \(f:A\to B\) and \(f=\{(a,1),(b,2),(c,1),(d,3)\}\), what is (A)?
Explanation opens after your attempt
A. \({a,b,c,d})
Concept
The domain is the set of first components of ordered pairs. Here \(A=\{a,b,c,d\}\).
Why this answer is correct
The correct answer is A. \({a,b,c,d}). The domain is the set of first components of ordered pairs. Here \(A=\{a,b,c,d\}\).
Exam Tip
domain ordered pairs के first components का set है। यहां \(A=\{a,b,c,d\}\) है।
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