SPS SPS FM Pure 2025 June — Question 10

Exam BoardSPS
ModuleSPS FM Pure (SPS FM Pure)
Year2025
SessionJune
TopicProof by induction
10. Prove by induction that \(f ( n ) = 2 ^ { 4 n } + 5 ^ { 2 n } + 7 ^ { n }\) is divisible by 3 for all positive integers \(n\).
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