[tex] Ca~sa~nu~mai~calculezi~radacinile,~te~folosesti~de~bine-cunoscutele~relatii~ale~lui~Viete:\\ \\ \left \{ {{S=x_1+x_2=-\frac{b}{a}} \atop {P=x_1*x_2=\frac{c}{a}}} \right. \Leftrightarrow~\left \{ {{x_1+x_2=4} \atop {x_1*x_2=3}} \right. \\ \\ Raportul~tau~este~echivalentul~raportului~asta:\\ \\ \frac{S-1}{P} =\frac{4-1}{3} =\frac{3}{3} =1.\\ \\ PrObleMa~reZolVatA. [/tex]
