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1.7.4 Arithmetic sequences and series (A-level only)

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Question 1
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An arithmetic series is defined by its first term p p\,p and its common difference qqq.

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

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