OCR FP1 2015 June — Question 2

Exam BoardOCR
ModuleFP1 (Further Pure Mathematics 1)
Year2015
SessionJune
TopicSequences and series, recurrence and convergence
2 Find \(\sum _ { r = 1 } ^ { n } \left( 3 r ^ { 2 } - 5 \right)\), expressing your answer in a fully factorised form.
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