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1.7.5 Geometric sequences and series (A-level only)
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Recognising a geometric sequence

Recognising a geometric sequence

A sequence is geometric if each term is obtained by multiplying the previous term by the same fixed number. This fixed number is the common ratio, rrr, and for consecutive terms unu_nun​ and un+1u_{n+1}un+1​, r=un+1unr=\frac{u_{n+1}}{u_n}r=un​un+1​​.

1.7.5 Geometric sequences and series (A-level only) Lesson

  1. A Level
  2. /Maths
  3. /1.7.5 Geometric sequences and series (A-level only)

Step-by-step lessons on AQA A Level Maths 1.7.5 Geometric sequences and series (A-level only). Each one builds up to exam-style questions. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.

Lessons