How do you find the sum of the infinite geometric series 1-(1/3) + (1/9) - (1/27) + .....?
1 Answer
Feb 22, 2016
The formula for sum of an infinite geometric series is
Explanation:
We must first find the common ratio, r, which can be found by using the formula
a is the first term, 1.
The sum is
Hopefully this helps!