Edexcel CP1 2019 June — Question 6

Exam BoardEdexcel
ModuleCP1 (Core Pure 1)
Year2019
SessionJune
TopicProof by induction
  1. Prove by induction that for all positive integers \(n\)
$$f ( n ) = 3 ^ { 2 n + 4 } - 2 ^ { 2 n }$$ is divisible by 5
(6)
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