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3.3 Sequences and series (A-level only)

3.3 Sequences and series (A-level only)

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Question 6
59%

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

3.3 Sequences and series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.3 Sequences and series (A-level only)

200 exam-style questions on CCEA A Level Maths 3.3 Sequences and series (A-level only), covering 3.3.1 Sequences and series (A-level only), 3.3.2 Sequences and series (A-level only), 3.3.3 Sequences and series (A-level only), 3.3.4 Sequences and series (A-level only), 3.3.5 Sequences and series (A-level only), 3.3.6 Sequences and series (A-level only), 3.3.7 Sequences and series (A-level only), and 3.3.8 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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