Question

a² + 2a + 1 fórmula de bhaskara​

Answer 1

Resposta:

a² + 2a + 1 = 0

a = 1

b = 2

c = 1

Δ = b² - 4ac

Δ = 2² - 4.1.1

Δ = 4 - 4

Δ = 0 (ambas as raízes são iguais)

x = -b±√Δ/2a

x = -2±0/2

x = -2/2

x = -1

S {-1}