Respuesta :

Answer:

Option 1

Step-by-step explanation:

=> [tex]\frac{1-\frac{1}{x} }{2}[/tex]

=> [tex]\frac{\frac{x-1}{x} }{2}[/tex]

=> [tex]\frac{x-1}{x} / 2[/tex]

=> [tex]\frac{x-1}{x} * \frac{1}{2}[/tex]

=> [tex]\frac{x-1}{2x}[/tex]