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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

$${soit}\:{f}\:{la}\:{fonction}\:{d}\acute {{e}finie}\:{sur}\left[\mathrm{0},\mathrm{2}\right]\:{par}\: \\ $$$${f}\left({x}\right)=\mathrm{3}\:\:\:{si}\:{x}\in\left[\mathrm{0},\mathrm{2}\right]\cap\mathbb{Q} \\ $$$${f}\left({x}\right)=\mathrm{1}\:\:\:{si}\:{x}\in\left[\mathrm{0},\mathrm{2}\right]\cap\mathbb{R}\backslash\mathbb{Q} \\ $$

Commented by Henri Boucatchou last updated on 01/Oct/20

Question(s) ?

$${Question}\left({s}\right)\:? \\ $$

Commented by Eric002 last updated on 01/Oct/20

can we integrate the function by using   rieman concept ?

$${can}\:{we}\:{integrate}\:{the}\:{function}\:{by}\:{using}\: \\ $$$${rieman}\:{concept}\:? \\ $$

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