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3.3.4 Sequences and series (A-level only)

3.3.4 Sequences and series (A-level only)

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Question 51

In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable.

In an arithmetic series:

  • the fourth term is 6
  • the sum of the first eight terms is 92

For this series,

a.

find the value of the first term, aaa, and the value of the common difference, ddd.

[5]
b.

Hence find the smallest value of nnn for which Sn>5000S_n > 5000Sn​>5000.

[4]
Markscheme

3.3.4 Sequences and series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.3.4 Sequences and series (A-level only)

63 exam-style questions on CCEA A Level Maths 3.3.4 Sequences and series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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