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3.3.4 Sequences and series (A-level only)

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Question 2
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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

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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