Question

As raízes de x²+1/x



Ajuda alguem ?

Answer 1

x²+1/x = 0
x² = x
x² - x = 0

Δ = b² - 4ac
Δ = -1² - 4.1.0
Δ = 1

x = (-b +-√Δ)/2a
x' = (1 + √1)/2 = 1
x'' = (1 - √1)/2 = 0