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1.6.13 Standard formulae for arithmetic series (A-level only)
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Question 30
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Markscheme
The arithmetic series
SS
S
is given by
S=7+11+15+19+⋯+303 S = 7 + 11 + 15 + 19 + \cdots + 303
S
=
7
+
11
+
15
+
19
+
⋯
+
303
Find
a.
the number of terms in the series,
[3]
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3
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b.
the sum of the series.
[3]
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3
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1.6.13 Standard formulae for arithmetic series (A-level only) Questions
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1.6.13 Standard formulae for arithmetic series (A-level only)
