Question

(2х-1)²+(х-1/2)²=0. Дискримінант

Answer 1

4x² - 4x + 1 + x² - x + 1/4 = 0
5x² - 5x + 5/4 = 0

D = 25 - 4•5•5/4 = 0

x = 5 / 10 = 1/2

Ответ: x = 1/2