Jump to content
Sign in to follow this  

Question on Geometric sequence

Recommended Posts

Hi guys,

Can you please help me with this question and explain to me the method of workout as i find it really confusing to get to the answer .

Here is the question :

The sum of the first three terms of a geometric sequence is 62.755, and the sum of the infinite sequence is 440. Find the common ratio


Keshuv 19

Share this post

Link to post
Share on other sites

The Answer I got was 1.047; although I took r>1. Does this really matter ? The answer changes when doing it in the inverse direction, i.e. r<1 , r =0.952.

Thnx again

Edited by Keshuv19

Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  


Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.