Correction (en bas) : « f ( x ) = f n ( x n ) {\displaystyle {\sqrt[{n}]{\operatorname {f} (x)=\operatorname {f} }}\left({\frac {x}{n}}\right)} » → « f ( x ) n = f ( x n ) {\displaystyle {\sqrt[{n}]{\operatorname {f} (x)}}=\operatorname {f} \left({\frac {x}{n}}\right)} » (coquille)
![{\displaystyle {\sqrt[{n}]{\operatorname {f} (x)=\operatorname {f} }}\left({\frac {x}{n}}\right)}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2de2bde9b73c4c41460c4721ce8982a5e86fcf22)
![{\displaystyle {\sqrt[{n}]{\operatorname {f} (x)}}=\operatorname {f} \left({\frac {x}{n}}\right)}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e349f6ed533be7bd4e9f8d154e6120dc86060b3b)