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3.3 Sequences and series (A-level only)

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Question 11

63%

The first three terms of an arithmetic series are $(2 x - 3)$ , $(5 x - 2)$ and $(10 x - 7)$ respectively.

Find the value of the constant $x$ .

[2]

Find the sum of the first 25 terms of the series.

[3]

Markscheme

3.3 Sequences and series (A-level only) Questions

A Level
Maths
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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