Chapter 3 - sequences and series
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Vocab and formulae for Pearson Edexcel year 2 Textbook Pure Mathematics.
Last updated 3:02 PM on 8/29/24
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6 Terms
1
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nth term for arithmetic sequence.
u = a + (n-1)d
where d is the common difference, a is the first term, and n is the place of the term in the sequence.
2
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nth term for geometric sequence.
u = ar^(n-1)
where r is the common ratio, a is the first term, and n is the place of the term in the sequence.
3
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What is l (L) in the arithmetic series equation?
the last term
4
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What is a sequence?
A list of terms.
5
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What is a series?
The sum of the terms of a sequence.
6
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What is another word for (arithmetic) sequence?
(arithmetic) progression
