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Question Number 28367 by abdo imad last updated on 24/Jan/18
find F∈R(x)  wich verify  F(x+1) −F(x)= ((x+3)/(x(x−1)(x+1))).
$${find}\:{F}\in{R}\left({x}\right)\:\:{wich}\:{verify}\:\:{F}\left({x}+\mathrm{1}\right)\:−{F}\left({x}\right)=\:\frac{{x}+\mathrm{3}}{{x}\left({x}−\mathrm{1}\right)\left({x}+\mathrm{1}\right)}. \\ $$

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