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A-LevelFurther MathematicsSummation of series9231/12 · Oct/Nov 2017 · Q14 Marks

Find ∑(4r – 3)(4r + 1), giving your answer in its simplest form.

  1. Find ∑(4r – 3)(4r + 1), giving your answer in its simplest form.[4]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

  1. [2] M1A1 M1 for split into 3 parts
  2. [1] M1 For using formulae correctly in their expression
  3. [1] A1 OE

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About this question

Topic
Summation of series, A-Level Further Mathematics (syllabus 9231). Structured question, 4 marks.
Source
A-Level Further Mathematics, Oct/Nov 2017 Paper 1 Variant 2, question 1.

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