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Sequences (Nth Term)

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Question 3
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Here are the first 5 terms of an arithmetic sequence.

7, 11, 15, 19, 23

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−53n - 53n−5. Is 82 a term in this sequence? Show how you get your answer.

[2]

Sequences (Nth Term) Questions

  1. GCSE
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  3. /Sequences (Nth Term)