Question

4 × ao quadrado - 4 × + 1 = 0

Answer 1

Olá! ✨

4x²-4x+1=0

a=4
b= -4
c=1

Δ=b²-4.a.c

Δ=(-4)²-4.4.1
Δ=16-16
Δ=0

Quando delta der 0, as raizes serão iguais-

x= -b+-√Δ 2.a

x'= -(-4)+0 /8
x'=4 /8
x'=1/2

S={1/2} <---