How do you find the sum of the infinite geometric series 8 - 10 + 12.5 - 15.625 + ...? Precalculus Series Infinite Series 1 Answer BeeFree Nov 8, 2015 The sum does not exist (infinite) Explanation: #abs(r) >1#, so the sum will diverge to #oo# Answer link Related questions What are some examples of infinite series? Can an infinite series have a sum? What are some examples of convergent series? What are common mistakes students make with infinite series? How do I use an infinite series to find an approximation for pi? How do I find the sum of the infinite series 1 + #1/5# + #1/25# +... ? How do I find the sum of the infinite series #1/2# + 1 + 2 + 4 +... ? What are some examples of divergent series? How do you find the sum of the infinite geometric series 1/2+1/4+1/8+1/16..? How do you find the sum of the infinite geometric series 3-1+1/3...? See all questions in Infinite Series Impact of this question 1556 views around the world You can reuse this answer Creative Commons License