Find the sum of the following infinite geometric series, if it exists.

**Solution:-**

S = , where r = common ratio (r ≤ 1) and a = first term.

a = , r = -1/8

S =

S =

So the sum of the infinite geometric series 4/9

Skip to content
# Problem 648

learn maths and leave the fear of it

Find the sum of the following infinite geometric series, if it exists.

**Solution:-**

S = , where r = common ratio (r ≤ 1) and a = first term.

a = , r = -1/8

S =

S =

So the sum of the infinite geometric series 4/9