Question

Find the of x for which the geometric series converges. [(x-1)/2]^n-1

Answer 1

Find the * value* of x..

Answer 2

Do you think you could help chaguanas?

Answer 3

Let's see, checking my book

Answer 4

What you do is write a few values of the series, giving n value 1, then 2, then 3. After a few you would know what the sum looks like. Then you can find x

Answer 5

I'm not sure what the series would even be written out as... :/

Answer 6

Oh, I'm sorry. Your note confused me when you said find value of x.

Answer 7

Oh, i left that part out of the original question, so I was just throwing that in that there...

Answer 8

So how should i go about this?

Answer 9

Ratio test

Answer 10

I would say x=1. Ratio test, take limit leaves x-1. Not confident on my answer. May be Xavier can check me.

Answer 11

ok. Thanks!