Consider a geometric progression whose first term is 5 and whose common ratio is
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
Consider a geometric progression whose first term is 5 and whose common ratio is 23. Answer the following questions, showing all necessary working:
(i) Find the sum of the first eight terms.
(ii) Determine the smallest positive integer n such that the sum of the first n terms exceeds 2000.