NDA 2026 Mathematics question
Consider the following statements in respect of a relation from a set to a set : I. The set is called codomain of the relation . II. The range of the relation is always equal to codomain of the relation . III. The domain of the relation must be equal to the set . Which of the statements given above is/are correct?
Answer: (A)
Solution
A relation from to is any subset of . I: the whole set is called the codomain of — correct. II: the range (set of second components of the pairs in ) is only a subset
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