Edexcel C2 2011 January — Question 3

Exam BoardEdexcel
ModuleC2 (Core Mathematics 2)
Year2011
SessionJanuary
TopicGeometric Sequences and Series

3. The second and fifth terms of a geometric series are 750 and - 6 respectively. Find
  1. the common ratio of the series,
  2. the first term of the series,
  3. the sum to infinity of the series.