CAIE P1 2009 June — Question 7

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2009
SessionJune
TopicGeometric Sequences and Series

7
  1. Find the sum to infinity of the geometric progression with first three terms \(0.5,0.5 ^ { 3 }\) and \(0.5 ^ { 5 }\).
  2. The first two terms in an arithmetic progression are 5 and 9. The last term in the progression is the only term which is greater than 200 . Find the sum of all the terms in the progression.