Edexcel Paper 1 2023 June — Question 14

Exam BoardEdexcel
ModulePaper 1 (Paper 1)
Year2023
SessionJune
TopicTrig Proofs
  1. Prove, using algebra, that
$$( n + 1 ) ^ { 3 } - n ^ { 3 }$$ is odd for all \(n \in \mathbb { N }\)
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