Edexcel C2 2018 June — Question 6

Exam BoardEdexcel
ModuleC2 (Core Mathematics 2)
Year2018
SessionJune
TopicGeometric Sequences and Series

  1. A geometric series with common ratio \(r = - 0.9\) has sum to infinity 10000 For this series,
    1. find the first term,
    2. find the fifth term,
    3. find the sum of the first twelve terms, giving this answer to the nearest integer.