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1 Pure Mathematics

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Question 593

An arithmetic series is given by

∑r=520(3r+4)\sum_{r=5}^{20} (3r + 4)∑r=520​(3r+4)

a(i).

Write down the first term of the series.

[1]
a(ii).

Write down the common difference.

[1]
a(iii).

Find the number of terms in the series.

[1]
Markscheme

1 Pure Mathematics Questions

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