| Exam Board | OCR MEI |
|---|
| Module | Paper 3 (Paper 3) |
|---|
| Year | 2018 |
|---|
| Session | June |
|---|
| Topic | Geometric Sequences and Series |
|---|
13 Consider a geometric sequence in which all the terms are positive real numbers. Show that, for any three consecutive terms of this sequence, the middle one is the geometric mean of the other two.