Question 4 - A-Level Maths

Exam Board	OCR MEI
Module	FP1 (Further Pure Mathematics 1)
Year	2007
Session	January
Topic	Sequences and series, recurrence and convergence

4 Use standard series formulae to find \(\sum _ { r = 1 } ^ { n } r \left( r ^ { 2 } + 1 \right)\), factorising your answer as far as possible.