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3.2 Arithmetic Series

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Question 1
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An arithmetic series has first term a a\,a and common difference ddd.

Prove that the sum of the first n n\,n terms of the series is

12n(2a+(n−1)d) \frac{1}{2}n(2a + (n-1)d) 21​n(2a+(n−1)d)
[4]

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