Question Number 116087 by Eric002 last updated on 30/Sep/20
![soit f la fonction de^ finie sur[0,2] par f(x)=3 si x∈[0,2]∩Q f(x)=1 si x∈[0,2]∩R\Q](https://www.tinkutara.com/question/Q116087.png)
$${soit}\:{f}\:{la}\:{fonction}\:{d}\acute {{e}finie}\:{sur}\left[\mathrm{0},\mathrm{2}\right]\:{par}\: \\ $$$${f}\left({x}\right)=\mathrm{3}\:\:\:{si}\:{x}\in\left[\mathrm{0},\mathrm{2}\right]\cap\mathbb{Q} \\ $$$${f}\left({x}\right)=\mathrm{1}\:\:\:{si}\:{x}\in\left[\mathrm{0},\mathrm{2}\right]\cap\mathbb{R}\backslash\mathbb{Q} \\ $$
Commented by Henri Boucatchou last updated on 01/Oct/20
$${Question}\left({s}\right)\:? \\ $$
Commented by Eric002 last updated on 01/Oct/20
$${can}\:{we}\:{integrate}\:{the}\:{function}\:{by}\:{using}\: \\ $$$${rieman}\:{concept}\:? \\ $$