Question

rezolvati in R ecuatia
radical din(5x-1)totul la 2 =4

Answer 1

Salut,

$\sqrt{(5x-1)^2}=4\Rightarrow |5x-1|=4,\ sau\ 5x-1=\pm 4.$

5x₁ -- 1 = --4, deci x₁ = --3/5.

5x₂ -- 1 = +4, deci x₂ = 1.

A fost greu ?

Green eyes.