Infinite series

Determine the sum of an infinite series: 1/3 + 1/9 + 1/27 + 1/81 ...

Final Answer:

s =  0.5

Step-by-step explanation:

a1=1/3=310.3333 q = a2/a1 q=(1/9)/(1/3)=310.3333 q<1 s=a1/(1q)=0.3333/(10.3333)=21=0.5



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
Need help calculating a sum, simplifying, or multiplying fractions? Try our fraction calculator.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: