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1 markPaper 1 · Multiple choiceThe Real Number System – ℝ

CAPE Pure Mathematics Unit 1 · 2008 (Rest of Region) · Paper 1 · Question Q3

The (k + 1)\text{th} term in \sum_{r=1}^{n} r(r - 1) is

  1. (A)k^2
  2. (B)k + 1
  3. (C)k(k + 1)
  4. (D)(k + 1)^2

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