JEE Main 2003MathematicsFunctionsMediumMCQ

JEE Main 2003Functions Question with Solution

JEE Main 2003

Question

A function from the set of natural numbers to integers defined by is

Choose an option

Show full solutionCorrect option: D
Correct answer
Done-one and onto both.

Step-by-step explanation

, and so on.
In this type of function every element of set has unique image in set and there is no element left in set . Hence is one-one and onto function.

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About this question

This is a previous-year question from JEE Main 2003, covering the Functions chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.