Question

seja f(x) = x^2 -1/×+1

Answer 1

x² - 1x + 1 = 0
∆ = (-1)² - 4.1.1
∆ = -3

x' = -(-1) + √-3/2.1
x' = 1/2

x" = -(-1) - √-3/2.1
x" = 1/2