Respuesta :

the answer is c, x=1
DeanR

[tex] \dfrac 1 2 = \dfrac 1 x - \dfrac{1}{2x^2}[/tex]

Multiply both sides by 2x²,

[tex]x^2 = 2x - 1[/tex]

[tex]x^2 - 2x + 1 = 0[/tex]

[tex](x - 1)^2 = 0[/tex]

[tex]x - 1 = 0[/tex]

[tex]x=1[/tex]

Answer: C.   x=1