Question

X² - 4x+3 quais sao as reizes

Answer 1

Resposta:

(3, 1).

Explicação passo a passo:

x² - 4x + 3 = 0

x = - (-4) ± √(-4)² - 4 . 1 . 3/2 . 1

x = 4 ± √16 - 12/2

x = 4 ± √4/2

x = 4 ± 2/2

x' = 4 + 2/2

x' = 6/2

x' = 3.

x" = 4 - 2/2

x" = 2/2

x" = 1.