December 2018 1 237 Report

Se considera expresia E(x)=  \frac{(x+1)^{2}-4 }{x} : \frac{ x^{2} -x}{ x^{2} } , unde x este numar real, x≠0 si x≠1. Determinati numarul real m , m≠0 si m≠1, stiind ca E(m)=5.
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