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3.2 Arithmetic Series

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Question 3
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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]

3.2 Arithmetic Series Questions

  1. A Level
  2. /Maths
  3. /3.2 Arithmetic Series

Practise Edexcel A Level Maths 3.2 Arithmetic Series with exam-style questions for A Level Maths. 38 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank