Question

Y=x elevado a 2 -2x+1=0

Answer 1

A) a=1, b=-2, c=1

-(-2)+-√(-2)²-4 . 1 . 1 / 2 . 1

2+-√4-4 / 2

2+-√0 / 2

x'= 2/2 = +1

x"= 2/2 = +1

Δ=0

B) a=-1, b=1, c=-1

-1+-√1²-4 . (-1) . (-1) / 2 . (-1)

-1+-√1-4 / -2

-1+-√-3 / -2

Δ∠0

S= ∅