Question

X elevado a 2 - 3x + 2 = 0 ​

Answer 1

Resposta:

x² - 3x + 2 = 0

Δ = (-3)² - 4*1*2

Δ = 9 - 8

Δ = 1

x1 = (3 + 1)/2

x1 = 4/2

x1 = 2

x2 = (3 - 1)/2

x2 = 2/2

x2 = 1

S= {1, 2}