| Exam Board | OCR MEI |
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| Module | C1 (Core Mathematics 1) |
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| Topic | Polynomial Division & Manipulation |
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4 Factorise \(n ^ { 3 } + 3 n ^ { 2 } + 2 n\). Hence prove that, when \(n\) is a positive integer, \(n ^ { 3 } + 3 n ^ { 2 } + 2 n\) is always divisible by 6 .