Question

Consider the infinite geometric series (the drawing) In this image, the lower limit of the summation notation is "n= 1".

a)write the first 4 terms of the series
b) does the series diverge or converge
c) if the series has as sum, find the sum

Answer 1

where are you stuck?

Answer 2

to get 1st term,
plug in n = 1

to get 2nd term,
plug in n = 2
and so on