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Card 1 of 20

How do you test whether a sequence is geometric?

A

$u_8=5(3)^7=10935$

B

$S∞S_\inftyS∞​=272\frac{27}{2}227​$

C

Check that consecutive-term ratios are constant.

D

$10+2\left(\frac{6}{1-0.6}\right)=40 m\text{ m} m$

Card 1 of 20

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

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

20 flashcards on AQA A Level Maths 1.7.5 Geometric sequences and series (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards