Question

6x(ao quadrado)+x-2=0
Por favor, 5 notas

Answer 1

6 x² + x - 2 = 0
Δ = b² - 4.a.c
Δ = 1² - 4 .6 . -2
Δ = 1 + 48
Δ = 49 ⇒ √ 49 = 7
x = -b + ou - 7/2.6
x´= -1 + 7 / 12
x´= 6/12 = 1/2
x´´== -1 - 7 / 12
x´´= -8/12 = -2/3
S = { 1/2 ; -2/3 }