OCR MEI C3 — Question 3

Exam BoardOCR MEI
ModuleC3 (Core Mathematics 3)
TopicProof by induction
3
  1. Factorise fully \(n ^ { 3 } - n\).
  2. Hence prove that, if \(n\) is an integer, \(n ^ { 3 } - n\) is divisible by 6 .
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