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1.7.4 Arithmetic sequences and series (A-level only)

1.7.4 Arithmetic sequences and series (A-level only)

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Question 2
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The first three terms of an arithmetic series are (k−1)(k-1)(k−1), (2k+1)(2k+1)(2k+1) and (4k−5)(4k-5)(4k−5) respectively.

a.

Find the value of the constant kkk.

[2]
b.

Find the sum of the first 15 terms of the series.

[3]
Markscheme

1.7.4 Arithmetic sequences and series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.7.4 Arithmetic sequences and series (A-level only)

41 exam-style questions on AQA A Level Maths 1.7.4 Arithmetic 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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