Mathematics: Analysis and Approaches · Unit 1: Number and Algebra
Infinite geometric series
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11
Questions
72
Total marks
Question 1 of 117 marks
Convergence and infinite geometric sum
[Maximum mark: 7]Consider the infinite geometric sequence 2500,−500,100,−20,…(a) Find the common ratio, r[2](b) Find the 12th term.[2](c) Find the exact sum of the infinite sequence.[3]