SOLUTION: 1+1/5+1/25+1/125+..find the sum of the infinite geometric series

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Question 1110023: 1+1/5+1/25+1/125+..find the sum of the infinite geometric series
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
The general formula is


a+%2B+ar+%2B+ar%5E2+%2B+ar%5E3+%2B+ellipsis+ = a%2F%281-r%29  at  |r| < 1.


In your case  a = 1, r = 1%2F5.


Substitute and calculate.