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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 20

An arithmetic series is given by

∑r=520(3r+4)\sum_{r=5}^{20} (3r + 4)∑r=520​(3r+4)

a(i).

Write down the first term of the series.

[1]
a(ii).

Write down the common difference.

[1]
a(iii).

Find the number of terms in the series.

[1]
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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