SOLUTION: the sum of an infinite geometric progression is 15 &the sum of squares of these is 45 .find the series

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Question 1100400: the sum of an infinite geometric progression is 15 &the sum of squares of these is 45 .find the series

Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
Hey,

I solved similar  (TWIN)  problem for you  30 minutes ago at this link:

https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1100391.html


Read attentively that solution.  It is your  SAMPLE.

Then substitute your data and make calculations on your own.

Prove that you do understand and can reproduce what was explained to you once.


        It will be  GOOD EXERCISE  to you.