Question

f(x)=3x²-2x +0=0 conta em forma de equação

Answer 1

 Δ = 4 - 0
Δ = 4

x = 2 +-√4/6
x = 2 +-2/6

x' = 2+2/6
x' = 4/6 = 2/3

x'' = 2-2/6
x'' = 0/6 = 0           ok