A Level Further Maths, Core Pure 1, Chapter 3 · exam-style questions with mark schemes and worked solutions · shadows of past-paper questions and new questions in the style of Edexcel, Edexcel iAL, AQA, OCR A and MEI · the standard results for $\sum r$, $\sum r^{2}$ and $\sum r^{3}$, sums of polynomial expressions in $r$, sums that start at $r = k$, sums and differences of series, solving equations in $n$, sums in context