Question

1x² - 5x+6=0
(R: 2, 3)​

Answer 1

Resposta:

Explicação passo-a-passo:

x² - 5x + 6 = 0

Δ = b² - 4ac

Δ = -5² - 4.1.6

Δ = 25 - 24

Δ = 1

x = -b +- √Δ / 2a

x' = (5 + 1) / 2

x' = 6 / 2

x' = 3

x'' = (5 - 1) / 2

x'' = 4 / 2

x'' = 2

S = (3; 2)