Question

Which represents the series 1+1/3+1/9+1/27 using sigma notation

Answer 1

∑[1/(3^(n-1))] represents the series 1+1/3+1/9+1/27+1/81+1/243 using sigma notation. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.