Question

resolva e determine as raizes​

Answer 1

(x - 1/2)² = 0

x² - 2.x.1/2 + (1/2)² = 0

x² - x + 1/4 = 0. ===> *(4) mmc

4x² - 4x + 1 = 0

∆ = (-4)² -4.4.1 = 16 - 16 = 0

x = -b±√∆/2a

x = 4 ± 0 / 2.4

x' = 4+0/8 = 4/8 = 1/2 ✓

x" = 4-0/8 = 4/8 = 1/2 ✓