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1.6.17 Sequences and series in modelling (A-level only)

Which should model total production across several periods: unu_nun​ or SnS_nSn​?

A

1−p1001-\frac{p}{100}1−100p​

B

For r≠1r\neq1r=1, the geometric sum is Sn=a(1−rn)1−r\boxed{S_n=\frac{a(1-r^n)}{1-r}}Sn​=1−ra(1−rn)​​.

C

un+1=1.03(un+120)u_{n+1}=1.03(u_n+120)un+1​=1.03(un​+120)

D

Use the series sum SnS_nSn​.

1.6.17 Sequences and series in modelling (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /1.6.17 Sequences and series in modelling (A-level only)

Flashcards for OCR (MEI) A Level Maths 1.6.17 Sequences and series in modelling (A-level only), covering the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03. 20 cards, matched to the OCR (MEI) A Level Maths (H640) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.