Question

quais são as raizes de x³-2x²+2x=0?

Answer 1

x³ -2x² + 2x=0

x( x²-2x+2)=0
x=0
x²-2x+2=0
Δ=2²-4(2)
Δ=4-8
Δ=-4
√Δ=√-4=± 2i

$x= \frac{2\pm2i}{2}= \frac{2(1\pm i)}{2} =1\pm i$

x'=1+i
x=1-i
S={0,1+i,1-i }