Respuesta :

pkmnmushy
We can determine is a ratio = (2/5)/2=1/5. Also we can use a formula for this:

∑ [tex] \frac{1}{5^k} = \frac{1}{1- \frac{1}{5} } [/tex]

And in that way you wil find that it is the 4 term

Otras preguntas