IGCSE
EDEXCEL
Further Mathematics
13 Marks
QP-FurtherPureMath-202201-P2 · Question 6
Question (excerpt):
16 6 The sum of the first n terms of an arithmetic series is Sn where Sn = n (3 + 2n) (a) Find the value of S20 (2) Given that Sn = r n =∑ 1 (Ar + B) (b) find the value of A and the value of B …
16 6 The sum of the first n terms of an arithmetic series is Sn where Sn = n (3 + 2n) (a) Find the value of S20 (2) Given that Sn = r n =∑ 1 (Ar + B) (b) find the value of A and the value of B …
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