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A-LevelMathematicsSeriesMay/June 2019Paper 1 Q1010 Marks

(a) In an arithmetic progression, the sum of the first ten terms is equal to the sum of the next five terms. The first term is a. (b) The sum to infinity of a geometric progression is 9 times the sum of the first four terms. Given that the first term is 12, find the value of the fifth term.

Q: What topic does this question test?

This question tests Series in A-Level Mathematics (syllabus code 9709). It is worth 10 marks.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Mathematics Question

Topic

This structured question tests Series in A-Level Mathematics (syllabus code 9709). It is worth 10 marks.

Source

This question appeared in the Cambridge A-Level Mathematics May/June 2019 examination, Paper 1 Variant 2.

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