MathematicsEasy110×since 2002Q3810The function f:N−{1}→Nf: \mathbf{N}-\{1\} \rightarrow \mathbf{N}f:N−{1}→N; defined by f(n)=f(\mathrm{n})=f(n)= the highest prime factor of n\mathrm{n}n, is :Aone-one onlyBneither one-one nor ontoConto onlyDboth one-one and ontoCheck answerSkip