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Sequences (Nth Term)

Sequences (Nth Term)

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Question 56

Here are the first 5 terms of an arithmetic sequence.

-7, -2, 3, 8, 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 3n−23n - 23n−2. Is 100 a term in this sequence? Show how you get your answer.

Hence, work out the term immediately after 100 in this sequence.

[3]
Markscheme

Sequences (Nth Term) Questions

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

208 exam-style questions on AQA GCSE Maths Sequences (Nth Term). Each one has a worked solution and a mark scheme showing where the marks go.

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