Question

Решить уровнение: x^3-3x^2+4x-2=0

Answer 1

$x^{3} -3 x^{2} +4x-2=0 \ x( x^{2} -3x+4)=2 \ x=2 \ x^{2} -3x+4=0 \ D=9-4*1*4=1 \ x_{1} =(3-1)/2 = 1 \ x_{2} = (3+1)/2 = 2$