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The function \(f: N -\{1\} \rightarrow N\); defined by \(f( n )=\) the highest prime factor of \(n\), is : [JEE Main 202…

Q1

The function \(f: N -\{1\} \rightarrow N\); defined by \(f( n )=\) the highest prime factor of \(n\), is :

[JEE Main 2024, 27 Jan (Shift 1)]

a

onto only

b

one-one only

c

neither one-one nor onto

d

both one-one and onto

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