Edexcel FP1 2014 June — Question 9

Exam BoardEdexcel
ModuleFP1 (Further Pure Mathematics 1)
Year2014
SessionJune
TopicProof by induction
9. Prove by induction that, for \(n \in \mathbb { Z } ^ { + }\), $$f ( n ) = 8 ^ { n } - 2 ^ { n }$$ is divisible by 6
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