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3.4 Sequences and Series (A-level only)

3.4 Sequences and Series (A-level only)

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Question 102

The first three terms of an arithmetic series are

(k+3)(k + 3)(k+3), (2k+4)(2k + 4)(2k+4) and (4k−2)(4k - 2)(4k−2)

respectively, where k k\,k is a constant.

a.

Find the value of kkk.

[2]
b.

Find the sum of the first 20 terms of the series.

[3]
Markscheme

3.4 Sequences and Series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4 Sequences and Series (A-level only)

231 exam-style questions on WJEC A Level Maths 3.4 Sequences and Series (A-level only), covering 3.4.1 Sequences and Series (A-level only), 3.4.2 Sequences and Series (A-level only), 3.4.3 Sequences and Series (A-level only), 3.4.4 Sequences and Series (A-level only), 3.4.5 Sequences and Series (A-level only), 3.4.6 Sequences and Series (A-level only), and 3.4.7 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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