Question

- Resolva a equação 9y² - 6y + 1 =0 usando a fatoração. *
3 pontos
a) 0
b) 1/3
c) 1
d) 3​

Answer 1

$\boxed{\begin{array}{l}\sf9y^2-6y+1=0\\\sf (3y-1)^2=0\\\sf 3y-1=0\\\sf 3y=1\\\sf y=\dfrac{1}{3}\\\huge\boxed{\boxed{\boxed{\boxed{\sf\maltese~alternativa~b}}}} \end{array}}$