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Sequences (Nth Term)

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Question 20

Here are the first 5 terms of an arithmetic sequence.

-3, 1, 5, 9, 13

a.

Find an expression, in terms of nnn, for the n n\,nth term of this sequence.

[2]
b.

The n n\,nth term of a different arithmetic sequence is 2n−32n - 32n−3. Is 101 a term in this sequence? Show how you get your answer.

[2]
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Sequences (Nth Term) Questions

  1. GCSE
  2. /Maths
  3. /Sequences (Nth Term)

Practise Edexcel GCSE Maths Sequences (Nth Term) with exam-style questions for Foundation and Higher tier. 80 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank