Question

ответ в виде десятичной дроби x² - 4x + 3 = 0

Answer 1

x² - 4x + 3 = 0
D = b² - 4ac
D = 16 - 4(1*3)
D = 4
x1 = -√D-b/2a = -2+4 / 2 = 1
x2 = √D-b/2a = 4+2/2 = 3
Ответ : 1, 3;